Submission #1539617

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Source Code Expand

#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
static_assert(sizeof(long) >= 8, "sizeof(long) >= 8");
char s[200001];
int cnt[26];
int main() {
    scanf("%s", s);
    int n = strlen(s);
    long ans = 1;
    for (int i = 0; i < n; i++) {
        ans += (i - cnt[s[i] - 'a']);
        cnt[s[i] - 'a']++;
    }
    printf("%ld\n", ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", s);
                   ^

Judge Result