#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 /*<<< orphan*/ scanf(char *, int *);
int main() {
  int arr[3][4];
  int i, j;
  for (i = 0; i < 4; i++) {
    for (j = 0; j < 3; j++) {
      scanf("%d", &arr[j][i]);
    }
  }
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 4; j++)
      printf("%d ", arr[i][j]);
    printf("\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x50,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x44(%rbp)
cmpl   $0x4,-0x44(%rbp)
jge    1198 <main+0x78>
movl   $0x0,-0x48(%rbp)
cmpl   $0x3,-0x48(%rbp)
jge    1185 <main+0x65>
movslq -0x48(%rbp),%rax
lea    -0x40(%rbp),%rsi
shl    $0x4,%rax
add    %rax,%rsi
movslq -0x44(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe8e(%rip),%rdi
call   1040 <scanf@plt>
mov    -0x48(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x48(%rbp)
jmp    1147 <main+0x27>
jmp    118a <main+0x6a>
mov    -0x44(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x44(%rbp)
jmp    1136 <main+0x16>
movl   $0x0,-0x44(%rbp)
cmpl   $0x3,-0x44(%rbp)
jge    1208 <main+0xe8>
movl   $0x0,-0x48(%rbp)
cmpl   $0x4,-0x48(%rbp)
jge    11ec <main+0xcc>
movslq -0x44(%rbp),%rcx
lea    -0x40(%rbp),%rax
shl    $0x4,%rcx
add    %rcx,%rax
movslq -0x48(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe2c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x48(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x48(%rbp)
jmp    11b0 <main+0x90>
lea    0xe14(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x44(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x44(%rbp)
jmp    119f <main+0x7f>
xor    %eax,%eax
add    $0x50,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x30,%rsp
lea    0xec4(%rip),%rbx
mov    %rsp,%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x20(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x24(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x18(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x28(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x1c(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x2c(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    (%rsp),%esi
lea    0xe23(%rip),%rbx
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x18(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x1c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x20(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x24(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x28(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x2c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [3 x [4 x i32]]
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
br label %5
5: ; preds = %24, %0
%6 = load i32, i32* %3
%7 = icmp slt i32 %6, 4
br i1 %7, label %8, label %27
8: ; preds = %5
store i32 0, i32* %4
br label %9
9: ; preds = %20, %8
%10 = load i32, i32* %4
%11 = icmp slt i32 %10, 3
br i1 %11, label %12, label %23
12: ; preds = %9
%13 = load i32, i32* %4
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %2, i64 0, i64 %14
%16 = load i32, i32* %3
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds [4 x i32], [4 x i32]* %15, i64 0, i64 %17
%19 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %18)
br label %20
20: ; preds = %12
%21 = load i32, i32* %4
%22 = add nsw i32 %21, 1
store i32 %22, i32* %4
br label %9
23: ; preds = %9
br label %24
24: ; preds = %23
%25 = load i32, i32* %3
%26 = add nsw i32 %25, 1
store i32 %26, i32* %3
br label %5
27: ; preds = %5
store i32 0, i32* %3
br label %28
28: ; preds = %49, %27
%29 = load i32, i32* %3
%30 = icmp slt i32 %29, 3
br i1 %30, label %31, label %52
31: ; preds = %28
store i32 0, i32* %4
br label %32
32: ; preds = %44, %31
%33 = load i32, i32* %4
%34 = icmp slt i32 %33, 4
br i1 %34, label %35, label %47
35: ; preds = %32
%36 = load i32, i32* %3
%37 = sext i32 %36 to i64
%38 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %2, i64 0, i64 %37
%39 = load i32, i32* %4
%40 = sext i32 %39 to i64
%41 = getelementptr inbounds [4 x i32], [4 x i32]* %38, i64 0, i64 %40
%42 = load i32, i32* %41
%43 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %42)
br label %44
44: ; preds = %35
%45 = load i32, i32* %4
%46 = add nsw i32 %45, 1
store i32 %46, i32* %4
br label %32
47: ; preds = %32
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %49
49: ; preds = %47
%50 = load i32, i32* %3
%51 = add nsw i32 %50, 1
store i32 %51, i32* %3
br label %28
52: ; preds = %28
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca [3 x [4 x i32]]
%2 = bitcast [3 x [4 x i32]]* %1 to i8*
%3 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 0, i64 0
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %3)
%5 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 1, i64 0
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %5)
%7 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 2, i64 0
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %7)
%9 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 0, i64 1
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %9)
%11 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 1, i64 1
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %11)
%13 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 2, i64 1
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %13)
%15 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 0, i64 2
%16 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %15)
%17 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 1, i64 2
%18 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %17)
%19 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 2, i64 2
%20 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %19)
%21 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 0, i64 3
%22 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %21)
%23 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 1, i64 3
%24 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %23)
%25 = getelementptr inbounds [3 x [4 x i32]], [3 x [4 x i32]]* %1, i64 0, i64 2, i64 3
%26 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %25)
%27 = load i32, i32* %3
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %27)
%29 = load i32, i32* %9
%30 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %29)
%31 = load i32, i32* %15
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %31)
%33 = load i32, i32* %21
%34 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %33)
%35 = call i32 @putchar(i32 10)
%36 = load i32, i32* %5
%37 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %36)
%38 = load i32, i32* %11
%39 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %38)
%40 = load i32, i32* %17
%41 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %40)
%42 = load i32, i32* %23
%43 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %42)
%44 = call i32 @putchar(i32 10)
%45 = load i32, i32* %7
%46 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %45)
%47 = load i32, i32* %13
%48 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %47)
%49 = load i32, i32* %19
%50 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %49)
%51 = load i32, i32* %25
%52 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %51)
%53 = call i32 @putchar(i32 10)
ret i32 0
}