Submission #928728

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Source Code Expand

/* ***************************************
Author        :Scau.ion
Created Time  :2016/10/15 20:14:35 UTC+8
File Name     :ion.cpp
*************************************** */

#include <bits/stdc++.h>

#define LL long long
#define ULL unsigned long long
#define PB push_back
#define MP make_pair
#define PII pair<int,int>
#define VI vector<int>
#define VPII vector<PII>
#define X first
#define Y second
#define IOS ios::sync_with_stdio(0);cin.tie(0);
#define IN freopen("in", "r", stdin);
#define OUT freopen("out", "w", stdout);

using namespace std;

const int maxn=100010;

char s[maxn];

int main()
{
	scanf("%s",s);
    int n=strlen(s);
    int sum=0;
    for (int j=0;j<n;++j)
    {
        if (s[j]=='g') ++sum;
        else --sum;
    }
    sum/=2;
    printf("%d\n",sum);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:30:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s);
               ^

Judge Result