Submission #890511

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Source Code Expand

//#pragma comment(linker, "/STACK:102400000,102400000")
#include <fstream>
#include <iostream>
#include <functional>
#include <algorithm>
#include <cstring>
#include <vector>
#include <string>
#include <cstdio>
#include <cmath>
#include <queue>
#include <stack>
#include <deque>
#include <ctime>
#include <list>
#include <set>
#include <map>
using namespace std;

typedef long long ll;
#define eps 1e-10
#define LL_INF 0x33ffffffffffffff
#define INF 0x3f3f3f3f
#define mem(a, b) memset(a, b, sizeof(a))
#define pper(i,n,m) for(int i = n;i >= m; i--)
#define repp(i, n, m) for (int i = n; i <= m; i++)
#define rep(i, n, m) for (int i = n; i < m; i++)
#define sa(n) scanf("%d", &(n))
#define mp make_pair
#define ff first
#define ss second
#define pb push_back

const int maxn = 2e5+5;
const double PI = acos(-1.0);
const ll mod = 1e9 + 7;
ll po(ll a, ll b,ll mod) { ll res = 1; a %= mod; for (; b; b >>= 1) { if (b & 1)res = res*a%mod; a = a*a%mod; }return res; }
ll gcd(ll a,ll b){ if(a==0){return b;}else{ return gcd(b%a,a);}}

char x[20];

int main()
{
    scanf("%s",x+1);
    for(int i=1;i<=4;i++)
    {
    	printf("%c",x[i]);
    }
    printf(" ");
    for(int i=5;i<=12;i++)
    {
    	printf("%c",x[i]);
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:44:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",x+1);
                    ^

Judge Result