#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 *, int);
int /*<<< orphan*/ scanf(char *, int *);
main() {
  int t, i, s = 0, x;
  scanf("%d", &t);
  while (t--) {
    scanf("%d", &x);
    if (x > 0)
      s += x;
  }
  printf("%d", s);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x10(%rbp)
lea    0xec3(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,%ecx
add    $0xffffffff,%ecx
mov    %ecx,-0x8(%rbp)
cmp    $0x0,%eax
je     1182 <main+0x62>
lea    0xe9f(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x0,-0x14(%rbp)
jle    117d <main+0x5d>
mov    -0x14(%rbp),%eax
add    -0x10(%rbp),%eax
mov    %eax,-0x10(%rbp)
jmp    1146 <main+0x26>
mov    -0x10(%rbp),%esi
lea    0xe74(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
lea    0xed2(%rip),%rdi
mov    %rsp,%rsi
call   1040 <scanf@plt>
xor    %ebx,%ebx
subl   $0x1,(%rsp)
jb     116c <main+0x4c>
xor    %ebp,%ebp
lea    0xeb9(%rip),%r14
lea    0x4(%rsp),%r15
xor    %ebx,%ebx
xchg   %ax,%ax
mov    %r14,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
test   %eax,%eax
cmovs  %ebp,%eax
add    %eax,%ebx
subl   $0x1,(%rsp)
jae    1150 <main+0x30>
lea    0xe8d(%rip),%rdi
mov    %ebx,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

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

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%6 = load i32, i32* %1
%7 = add nsw i32 %6, -1
store i32 %7, i32* %1
%8 = icmp eq i32 %6, 0
br i1 %8, label %19, label %9
9: ; preds = %0, %9
%10 = phi i32 [ %15, %9 ], [ 0, %0 ]
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%12 = load i32, i32* %2
%13 = icmp sgt i32 %12, 0
%14 = select i1 %13, i32 %12, i32 0
%15 = add nuw nsw i32 %14, %10
%16 = load i32, i32* %1
%17 = add nsw i32 %16, -1
store i32 %17, i32* %1
%18 = icmp eq i32 %16, 0
br i1 %18, label %19, label %9
19: ; preds = %9, %0
%20 = phi i32 [ 0, %0 ], [ %15, %9 ]
%21 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %20)
ret i32 0
}