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


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,%ecx
mov    %rcx,%rax
mov    %rax,-0x38(%rbp)
mov    %rsp,%rdx
mov    %rdx,-0x10(%rbp)
mov    %rcx,%rdx
imul   %rdx,%rdx
lea    0xf(,%rdx,4),%rsi
and    $0xfffffffffffffff0,%rsi
mov    %rsp,%rdx
sub    %rsi,%rdx
mov    %rdx,-0x30(%rbp)
mov    %rdx,%rsp
mov    %rcx,-0x18(%rbp)
mov    %rax,-0x20(%rbp)
movl   $0x0,-0x24(%rbp)
mov    -0x24(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11ff <main+0xcf>
movl   $0x0,-0x28(%rbp)
mov    -0x28(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11ec <main+0xbc>
mov    -0x30(%rbp),%rsi
mov    -0x38(%rbp),%rcx
movslq -0x24(%rbp),%rax
imul   %rcx,%rax
shl    $0x2,%rax
add    %rax,%rsi
movslq -0x28(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe27(%rip),%rdi
call   1050 <scanf@plt>
mov    -0x28(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x28(%rbp)
jmp    11a4 <main+0x74>
jmp    11f1 <main+0xc1>
mov    -0x24(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x24(%rbp)
jmp    1191 <main+0x61>
mov    -0x30(%rbp),%rsi
mov    -0x8(%rbp),%edi
call   1040 <isMagic@plt>
mov    %eax,%esi
lea    0xdec(%rip),%rdi
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x10(%rbp),%rax
mov    %rax,%rsp
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
mov    %rsp,%rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x28,%rsp
lea    0xeb8(%rip),%rdi
lea    -0x2c(%rbp),%rsi
call   1050 <scanf@plt>
mov    %rsp,-0x40(%rbp)
mov    -0x2c(%rbp),%ecx
mov    %rcx,%rax
imul   %rcx,%rax
mov    %rsp,%r14
lea    0xf(,%rax,4),%rax
and    $0xfffffffffffffff0,%rax
sub    %rax,%r14
mov    %r14,%rsp
mov    -0x2c(%rbp),%edi
test   %edi,%edi
mov    %r14,-0x38(%rbp)
jle    11e2 <main+0xb2>
shl    $0x2,%rcx
xor    %r12d,%r12d
lea    0xe73(%rip),%r15
mov    %rcx,-0x48(%rbp)
jmp    11af <main+0x7f>
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
movslq %edi,%rax
add    $0x1,%r12
add    %rcx,%r14
cmp    %rax,%r12
jge    11e2 <main+0xb2>
test   %edi,%edi
jle    11a0 <main+0x70>
mov    %r14,%rbx
xor    %r13d,%r13d
nopl   0x0(%rax)
mov    %r15,%rdi
mov    %rbx,%rsi
call   1050 <scanf@plt>
add    $0x1,%r13
movslq -0x2c(%rbp),%rdi
add    $0x4,%rbx
cmp    %rdi,%r13
jl     11c0 <main+0x90>
mov    -0x48(%rbp),%rcx
jmp    11a0 <main+0x70>
mov    -0x38(%rbp),%rsi
call   1040 <isMagic@plt>
lea    0xe0e(%rip),%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    -0x40(%rbp),%rsp
xor    %eax,%eax
lea    -0x28(%rbp),%rsp
pop    %rbx
pop    %r12
pop    %r13
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 i8*
%4 = alloca i64
%5 = alloca i64
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %1
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%9 = load i32, i32* %2
%10 = zext i32 %9 to i64
%11 = load i32, i32* %2
%12 = zext i32 %11 to i64
%13 = call i8* @llvm.stacksave()
store i8* %13, i8** %3
%14 = mul nuw i64 %10, %12
%15 = alloca i32, i64 %14
store i64 %10, i64* %4
store i64 %12, i64* %5
store i32 0, i32* %6
br label %16
16: ; preds = %38, %0
%17 = load i32, i32* %6
%18 = load i32, i32* %2
%19 = icmp slt i32 %17, %18
br i1 %19, label %20, label %41
20: ; preds = %16
store i32 0, i32* %7
br label %21
21: ; preds = %34, %20
%22 = load i32, i32* %7
%23 = load i32, i32* %2
%24 = icmp slt i32 %22, %23
br i1 %24, label %25, label %37
25: ; preds = %21
%26 = load i32, i32* %6
%27 = sext i32 %26 to i64
%28 = mul nsw i64 %27, %12
%29 = getelementptr inbounds i32, i32* %15, i64 %28
%30 = load i32, i32* %7
%31 = sext i32 %30 to i64
%32 = getelementptr inbounds i32, i32* %29, i64 %31
%33 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %32)
br label %34
34: ; preds = %25
%35 = load i32, i32* %7
%36 = add nsw i32 %35, 1
store i32 %36, i32* %7
br label %21
37: ; preds = %21
br label %38
38: ; preds = %37
%39 = load i32, i32* %6
%40 = add nsw i32 %39, 1
store i32 %40, i32* %6
br label %16
41: ; preds = %16
%42 = load i32, i32* %2
%43 = bitcast i32* %15 to i32**
%44 = call i32 @isMagic(i32 %42, i32** %43)
%45 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %44)
store i32 0, i32* %1
%46 = load i8*, i8** %3
%47 = load i32, i32* %1
ret i32 %47
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = zext i32 %4 to i64
%6 = call i8* @llvm.stacksave()
%7 = mul nuw i64 %5, %5
%8 = alloca i32, i64 %7
%9 = load i32, i32* %1
%10 = icmp sgt i32 %9, 0
br i1 %10, label %11, label %18
11: ; preds = %0, %23
%12 = phi i32 [ %24, %23 ], [ %9, %0 ]
%13 = phi i64 [ %26, %23 ], [ 0, %0 ]
%14 = icmp sgt i32 %12, 0
br i1 %14, label %15, label %23
15: ; preds = %11
%16 = mul nuw nsw i64 %13, %5
%17 = getelementptr inbounds i32, i32* %8, i64 %16
br label %28
18: ; preds = %23, %0
%19 = phi i32 [ %9, %0 ], [ %24, %23 ]
%20 = bitcast i32* %8 to i32**
%21 = call i32 @isMagic(i32 %19, i32** %20)
%22 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %21)
ret i32 0
23: ; preds = %28, %11
%24 = phi i32 [ %12, %11 ], [ %33, %28 ]
%25 = sext i32 %24 to i64
%26 = add nuw nsw i64 %13, 1
%27 = icmp slt i64 %26, %25
br i1 %27, label %11, label %18
28: ; preds = %15, %28
%29 = phi i64 [ 0, %15 ], [ %32, %28 ]
%30 = getelementptr inbounds i32, i32* %17, i64 %29
%31 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %30)
%32 = add nuw nsw i64 %29, 1
%33 = load i32, i32* %1
%34 = sext i32 %33 to i64
%35 = icmp slt i64 %32, %34
br i1 %35, label %28, label %23
}