Submission #1540668

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Source Code Expand

#include <bits/stdc++.h>
typedef long long int LL;
using namespace std;

const int N = 5e5+6;
const int MOD = 1e9+7;
const int INF = 1e9+7;
const double eps = 1e-6;

inline int read() {
    int x=0,f=1;char c=getchar();
    for(; c<'0'||'9'<c; c=getchar())if(c=='-')f=-1;
    for(; '0'<=c&&c<='9'; c=getchar())x=(x<<3)+(x<<1)+c-'0';
    return x*f;
}

#define lal puts(" ***  ");
#define pii pair<int,int>
#define mp  make_pair
#define pb  push_back
#define x   first
#define y   second

/********************************************/
char s[222222];

int h[333];
int main(){
    memset(h,0,sizeof(h));
    scanf("%s",s);
    int sum = 0;LL ans=1;
    for(int i=0;s[i];i++){
        sum ++;
        h[s[i]]++;
        ans += sum-h[s[i]];
    }
    printf("%lld\n",ans );
    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("%s",s);
                  ^

Judge Result