#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 *, float);
int /*<<< orphan*/ scanf(char *, float *);
int main() {
  int n = 3, i = 0;
  float a, max;
  scanf("%f", &a);
  max = a;
  do {
    scanf("%f", &a);
    if (max < a) {
      max = a;
    }
    i++;
  } while (i < n - 1);
  printf("\n%.1f\n", max);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x3,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xebc(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x10(%rbp),%xmm0
movss  %xmm0,-0x14(%rbp)
lea    0xea2(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x14(%rbp),%xmm1
movss  -0x10(%rbp),%xmm0
ucomiss %xmm1,%xmm0
jbe    1184 <main+0x64>
movss  -0x10(%rbp),%xmm0
movss  %xmm0,-0x14(%rbp)
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    -0x8(%rbp),%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jl     1157 <main+0x37>
movss  -0x14(%rbp),%xmm0
lea    0xe59(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xed5(%rip),%rbx
lea    0x4(%rsp),%r14
mov    %rbx,%rdi
mov    %r14,%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm0
movss  %xmm0,(%rsp)
mov    %rbx,%rdi
mov    %r14,%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm0
maxss  (%rsp),%xmm0
movss  %xmm0,(%rsp)
mov    %rbx,%rdi
mov    %r14,%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm0
maxss  (%rsp),%xmm0
lea    0xe85(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%f\00"
@.str.1 = [7 x i8] c"\0A%.1f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca float
%5 = alloca float
store i32 0, i32* %1
store i32 3, i32* %2
store i32 0, i32* %3
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %4)
%7 = load float, float* %4
store float %7, float* %5
br label %8
8: ; preds = %18, %0
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %4)
%10 = load float, float* %5
%11 = load float, float* %4
%12 = fcmp olt float %10, %11
br i1 %12, label %13, label %15
13: ; preds = %8
%14 = load float, float* %4
store float %14, float* %5
br label %15
15: ; preds = %13, %8
%16 = load i32, i32* %3
%17 = add nsw i32 %16, 1
store i32 %17, i32* %3
br label %18
18: ; preds = %15
%19 = load i32, i32* %3
%20 = load i32, i32* %2
%21 = sub nsw i32 %20, 1
%22 = icmp slt i32 %19, %21
br i1 %22, label %8, label %23
23: ; preds = %18
%24 = load float, float* %5
%25 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), float %24)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%f\00"
@.str.1 = [7 x i8] c"\0A%.1f\0A\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %1)
%4 = load float, float* %1
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %1)
%6 = load float, float* %1
%7 = fcmp olt float %4, %6
%8 = select i1 %7, float %6, float %4
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %1)
%10 = load float, float* %1
%11 = fcmp olt float %8, %10
%12 = select i1 %11, float %10, float %8
%13 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), float %12)
ret i32 0
}