Submission #1539634

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Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <vector>
#include <cstring>
#include <queue>
#include <functional>
#include <map>
#include <set>
#define SIZE 200005

using namespace std;
typedef long long int ll;
typedef pair <int,int> P;

char A[SIZE];
int cnt[30];

int main()
{
	scanf("%s",&A);
	int n=strlen(A);
	ll ret=(ll) n*(ll) (n+1)/2LL;
	for(int i=0;i<n;i++) cnt[A[i]-'a']++;
	for(int i=0;i<29;i++) ret-=(ll) cnt[i]*(ll) (cnt[i]+1)/2LL;
	printf("%lld\n",ret+1);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:15: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[200005]’ [-Wformat=]
  scanf("%s",&A);
               ^
./Main.cpp:21:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",&A);
                ^

Judge Result