; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (15A-CottageVillage)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { double, double }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca double, align 8
  %10 = alloca double, align 8
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca double, align 8
  %13 = alloca double, align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca double, align 8
  store i32 0, ptr %1, align 4
  %19 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @_ZNSaISt4pairIddEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt4pairIddESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %23, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %24 unwind label %30

24:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIddEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %57, %24
  %26 = load i32, ptr %8, align 4, !tbaa !5
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %34, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %69

30:                                               ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %6, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt4pairIddEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  br label %130

34:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %35 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %36 unwind label %60

36:                                               ; preds = %34
  %37 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %35, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %38 unwind label %60

38:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %39 = load double, ptr %9, align 8, !tbaa !9
  %40 = load double, ptr %10, align 8, !tbaa !9
  %41 = fdiv double %40, 2.000000e+00
  %42 = fsub double %39, %41
  store double %42, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %43 = load double, ptr %9, align 8, !tbaa !9
  %44 = load double, ptr %10, align 8, !tbaa !9
  %45 = fdiv double %44, 2.000000e+00
  %46 = fadd double %43, %45
  store double %46, ptr %13, align 8, !tbaa !9
  %47 = invoke { double, double } @_ZSt9make_pairIddESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13)
          to label %48 unwind label %64

48:                                               ; preds = %38
  %49 = getelementptr inbounds { double, double }, ptr %11, i32 0, i32 0
  %50 = extractvalue { double, double } %47, 0
  store double %50, ptr %49, align 8
  %51 = getelementptr inbounds { double, double }, ptr %11, i32 0, i32 1
  %52 = extractvalue { double, double } %47, 1
  store double %52, ptr %51, align 8
  %53 = load i32, ptr %8, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %54) #6
  %56 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIddEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %55, ptr noundef nonnull align 8 dereferenceable(16) %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %57

57:                                               ; preds = %48
  %58 = load i32, ptr %8, align 4, !tbaa !5
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %8, align 4, !tbaa !5
  br label %25, !llvm.loop !11

60:                                               ; preds = %36, %34
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %6, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %7, align 4
  br label %68

64:                                               ; preds = %38
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %6, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  br label %68

68:                                               ; preds = %64, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %129

69:                                               ; preds = %29
  %70 = call ptr @_ZNSt6vectorISt4pairIddESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  %72 = call ptr @_ZNSt6vectorISt4pairIddESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  %74 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %75 = load ptr, ptr %74, align 8
  %76 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %77 = load ptr, ptr %76, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIddESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %75, ptr %77)
          to label %78 unwind label %84

78:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  store i32 2, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 1, ptr %17, align 4, !tbaa !5
  br label %79

79:                                               ; preds = %115, %78
  %80 = load i32, ptr %17, align 4, !tbaa !5
  %81 = load i32, ptr %2, align 4, !tbaa !5
  %82 = icmp slt i32 %80, %81
  br i1 %82, label %88, label %83

83:                                               ; preds = %79
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %118

84:                                               ; preds = %69
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %6, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %7, align 4
  br label %129

88:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %89 = load i32, ptr %17, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %90) #6
  %92 = getelementptr inbounds %"struct.std::pair", ptr %91, i32 0, i32 0
  %93 = load double, ptr %92, align 8, !tbaa !13
  %94 = load i32, ptr %17, align 4, !tbaa !5
  %95 = sub nsw i32 %94, 1
  %96 = sext i32 %95 to i64
  %97 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %96) #6
  %98 = getelementptr inbounds %"struct.std::pair", ptr %97, i32 0, i32 1
  %99 = load double, ptr %98, align 8, !tbaa !15
  %100 = fsub double %93, %99
  store double %100, ptr %18, align 8, !tbaa !9
  %101 = load double, ptr %18, align 8, !tbaa !9
  %102 = load i32, ptr %3, align 4, !tbaa !5
  %103 = sitofp i32 %102 to double
  %104 = fcmp ogt double %101, %103
  %105 = zext i1 %104 to i32
  %106 = mul nsw i32 2, %105
  %107 = load double, ptr %18, align 8, !tbaa !9
  %108 = load i32, ptr %3, align 4, !tbaa !5
  %109 = sitofp i32 %108 to double
  %110 = fcmp oeq double %107, %109
  %111 = zext i1 %110 to i32
  %112 = add nsw i32 %106, %111
  %113 = load i32, ptr %16, align 4, !tbaa !5
  %114 = add nsw i32 %113, %112
  store i32 %114, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  br label %115

115:                                              ; preds = %88
  %116 = load i32, ptr %17, align 4, !tbaa !5
  %117 = add nsw i32 %116, 1
  store i32 %117, ptr %17, align 4, !tbaa !5
  br label %79, !llvm.loop !16

118:                                              ; preds = %83
  %119 = load i32, ptr %16, align 4, !tbaa !5
  %120 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %119)
          to label %121 unwind label %125

121:                                              ; preds = %118
  %122 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %120, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %123 unwind label %125

123:                                              ; preds = %121
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  call void @_ZNSt6vectorISt4pairIddESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %124 = load i32, ptr %1, align 4
  ret i32 %124

125:                                              ; preds = %121, %118
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %6, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %129

129:                                              ; preds = %125, %84, %68
  call void @_ZNSt6vectorISt4pairIddESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %130

130:                                              ; preds = %129, %30
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %131

131:                                              ; preds = %130
  %132 = load ptr, ptr %6, align 8
  %133 = load i32, ptr %7, align 4
  %134 = insertvalue { ptr, i32 } poison, ptr %132, 0
  %135 = insertvalue { ptr, i32 } %134, i32 %133, 1
  resume { ptr, i32 } %135
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIddEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIddESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { double, double } @_ZSt9make_pairIddESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIddEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIddESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIddESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIddESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIddESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIddEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTSSt4pairIddE", !10, i64 0, !10, i64 8}
!15 = !{!14, !10, i64 8}
!16 = distinct !{!16, !12}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<double, double>, std::allocator<std::pair<double, double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { double, double }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  %10 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaISt4pairIddEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorISt4pairIddESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %15 unwind label %23

15:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIddEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %15
  %18 = getelementptr inbounds i8, ptr %7, i64 8
  br label %25

._crit_edge:                                      ; preds = %36, %15
  %19 = call ptr @_ZNSt6vectorISt4pairIddESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %20 = call ptr @_ZNSt6vectorISt4pairIddESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIddESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %19, ptr %20)
          to label %.preheader unwind label %50

.preheader:                                       ; preds = %._crit_edge
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 1
  br i1 %22, label %.lr.ph26, label %._crit_edge27

23:                                               ; preds = %0
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIddEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %76

25:                                               ; preds = %.lr.ph, %36
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %36 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %27 unwind label %44

27:                                               ; preds = %25
  %28 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %29 unwind label %44

29:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %30 = load double, ptr %5, align 8, !tbaa !9
  %31 = load double, ptr %6, align 8, !tbaa !9
  %32 = fmul double %31, 5.000000e-01
  %33 = fsub double %30, %32
  store double %33, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %34 = fadd double %30, %32
  store double %34, ptr %9, align 8, !tbaa !9
  %35 = invoke { double, double } @_ZSt9make_pairIddESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %36 unwind label %46

36:                                               ; preds = %29
  %37 = extractvalue { double, double } %35, 0
  store double %37, ptr %7, align 8
  %38 = extractvalue { double, double } %35, 1
  store double %38, ptr %18, align 8
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIddEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %39, ptr noundef nonnull align 8 dereferenceable(16) %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = icmp slt i64 %indvars.iv.next, %42
  br i1 %43, label %25, label %._crit_edge, !llvm.loop !11

44:                                               ; preds = %27, %25
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %48

46:                                               ; preds = %29
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  br label %48

48:                                               ; preds = %46, %44
  %.pn = phi { ptr, i32 } [ %47, %46 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %75

._crit_edge27:                                    ; preds = %.lr.ph26, %.preheader
  %.014.lcssa = phi i32 [ 2, %.preheader ], [ %66, %.lr.ph26 ]
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.014.lcssa)
          to label %70 unwind label %73

50:                                               ; preds = %._crit_edge
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %75

.lr.ph26:                                         ; preds = %.preheader, %.lr.ph26
  %indvars.iv29 = phi i64 [ %indvars.iv.next30, %.lr.ph26 ], [ 1, %.preheader ]
  %.01424 = phi i32 [ %66, %.lr.ph26 ], [ 2, %.preheader ]
  %52 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv29) #6
  %53 = load double, ptr %52, align 8, !tbaa !13
  %54 = add nsw i64 %indvars.iv29, -1
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %54) #6
  %56 = getelementptr inbounds i8, ptr %55, i64 8
  %57 = load double, ptr %56, align 8, !tbaa !15
  %58 = fsub double %53, %57
  %59 = load i32, ptr %2, align 4, !tbaa !5
  %60 = sitofp i32 %59 to double
  %61 = fcmp ogt double %58, %60
  %62 = select i1 %61, i32 2, i32 0
  %63 = fcmp oeq double %58, %60
  %64 = zext i1 %63 to i32
  %65 = add nuw nsw i32 %.01424, %64
  %66 = add nuw nsw i32 %65, %62
  %indvars.iv.next30 = add nuw nsw i64 %indvars.iv29, 1
  %67 = load i32, ptr %1, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = icmp slt i64 %indvars.iv.next30, %68
  br i1 %69, label %.lr.ph26, label %._crit_edge27, !llvm.loop !16

70:                                               ; preds = %._crit_edge27
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %72 unwind label %73

72:                                               ; preds = %70
  call void @_ZNSt6vectorISt4pairIddESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

73:                                               ; preds = %70, %._crit_edge27
  %74 = landingpad { ptr, i32 }
          cleanup
  br label %75

75:                                               ; preds = %73, %50, %48
  %.pn.pn = phi { ptr, i32 } [ %.pn, %48 ], [ %74, %73 ], [ %51, %50 ]
  call void @_ZNSt6vectorISt4pairIddESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %76

76:                                               ; preds = %75, %23
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %75 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIddEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIddESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { double, double } @_ZSt9make_pairIddESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIddESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIddEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIddESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIddESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIddESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIddESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIddEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTSSt4pairIddE", !10, i64 0, !10, i64 8}
!15 = !{!14, !10, i64 8}
!16 = distinct !{!16, !12}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass