#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *, double);
int /*<<< orphan*/ scanf(char *, ...);
int main(void) {
  int n;
  double a, b, c;
  scanf("%d", &n);
  while (n-- > 0) {
    scanf("%lf %lf %lf", &a, &b, &c);
    printf("%.1f\n", a * 0.2 + b * 0.3 + c * 0.5);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xee2(%rip),%rdi
lea    -0x8(%rbp),%rsi
mov    $0x0,%al
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,%ecx
add    $0xffffffff,%ecx
mov    %ecx,-0x8(%rbp)
cmp    $0x0,%eax
jle    11b7 <main+0x97>
lea    0xebf(%rip),%rdi
lea    -0x10(%rbp),%rsi
lea    -0x18(%rbp),%rdx
lea    -0x20(%rbp),%rcx
mov    $0x0,%al
call   1040 <scanf@plt>
movsd  -0x10(%rbp),%xmm1
movsd  0xe94(%rip),%xmm0
mulsd  -0x18(%rbp),%xmm0
movsd  0xe7f(%rip),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
movsd  -0x20(%rbp),%xmm0
movsd  0xe62(%rip),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
lea    0xe7a(%rip),%rdi
call   1030 <printf@plt>
jmp    1141 <main+0x21>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x20,%rsp
lea    0xee4(%rip),%rdi
lea    0x4(%rsp),%rsi
xor    %eax,%eax
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
lea    -0x1(%rax),%ecx
mov    %ecx,0x4(%rsp)
test   %eax,%eax
jle    11cc <main+0xac>
lea    0xec5(%rip),%r14
lea    0x18(%rsp),%r15
lea    0x10(%rsp),%r12
lea    0x8(%rsp),%r13
lea    0xebb(%rip),%rbx
nopl   0x0(%rax)
mov    %r14,%rdi
mov    %r15,%rsi
mov    %r12,%rdx
mov    %r13,%rcx
xor    %eax,%eax
call   1040 <scanf@plt>
movsd  0x10(%rsp),%xmm0
mulsd  0xe6f(%rip),%xmm0
movsd  0x18(%rsp),%xmm1
mulsd  0xe69(%rip),%xmm1
addsd  %xmm0,%xmm1
movsd  0x8(%rsp),%xmm0
mulsd  0xe5f(%rip),%xmm0
addsd  %xmm1,%xmm0
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
lea    -0x1(%rax),%ecx
mov    %ecx,0x4(%rsp)
test   %eax,%eax
jg     1170 <main+0x50>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [12 x i8] c"%lf %lf %lf\00"
@.str.2 = [6 x i8] c"%.1f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca double
%4 = alloca double
%5 = alloca double
store i32 0, i32* %1
%6 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
br label %7
7: ; preds = %11, %0
%8 = load i32, i32* %2
%9 = add nsw i32 %8, -1
store i32 %9, i32* %2
%10 = icmp sgt i32 %8, 0
br i1 %10, label %11, label %20
11: ; preds = %7
%12 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0), double* %3, double* %4, double* %5)
%13 = load double, double* %3
%14 = load double, double* %4
%15 = fmul double %14, 3.000000e-01
%16 = call double @llvm.fmuladd.f64(double %13, double 2.000000e-01, double %15)
%17 = load double, double* %5
%18 = call double @llvm.fmuladd.f64(double %17, double 5.000000e-01, double %16)
%19 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), double %18)
br label %7
20: ; preds = %7
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [12 x i8] c"%lf %lf %lf\00"
@.str.2 = [6 x i8] c"%.1f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca double
%3 = alloca double
%4 = alloca double
%5 = bitcast i32* %1 to i8*
%6 = bitcast double* %2 to i8*
%7 = bitcast double* %3 to i8*
%8 = bitcast double* %4 to i8*
%9 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%10 = load i32, i32* %1
%11 = add nsw i32 %10, -1
store i32 %11, i32* %1
%12 = icmp sgt i32 %10, 0
br i1 %12, label %13, label %25
13: ; preds = %0, %13
%14 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0), double* %2, double* %3, double* %4)
%15 = load double, double* %2
%16 = load double, double* %3
%17 = fmul double %16, 3.000000e-01
%18 = call double @llvm.fmuladd.f64(double %15, double 2.000000e-01, double %17)
%19 = load double, double* %4
%20 = call double @llvm.fmuladd.f64(double %19, double 5.000000e-01, double %18)
%21 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), double %20)
%22 = load i32, i32* %1
%23 = add nsw i32 %22, -1
store i32 %23, i32* %1
%24 = icmp sgt i32 %22, 0
br i1 %24, label %13, label %25
25: ; preds = %13, %0
ret i32 0
}