Submission #890397

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <vector>
#include <cmath>
#include <cstring>
#include <numeric>
#include <algorithm>
#include <functional>
#include <array>
#include <map>
#include <queue>
#include <limits.h>
#include <set>
#include <bitset>
#include <stack>
#include <cstdlib>
#include <unordered_map>
#define REP(i,n) for(int i = 0; n > i; i++)
#define MOD 1000000007
#define Range(x,a,b) ((a) <= (x) && (x) <= (b))
#define POWT(x) ((x)*(x))
using namespace std;
typedef vector<int> Ivec;
typedef pair<int, int> pii;
typedef long long int ll;

int main() {
	REP(i, 12) {
		char c;
		scanf("%c", &c);
		printf("%c",c);
		if (i == 3) printf(" ");
	}
	printf("\n");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:30:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%c", &c);
                  ^

Judge Result