Submission #890144

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <cassert>
#include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

#define TRACE(x) cerr << #x << " = " << x << endl

typedef long long ll;
typedef pair<int, int> P;
#define X first
#define Y second

char s[123];

int main()
{
  scanf("%s", s);
  for (int i=0; i<4; i++)
    printf("%c", s[i]);
  printf(" ");
  for (int i=4; i<12; i++)
    printf("%c", s[i]);

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", s);
                 ^

Judge Result