Submission #37025869

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int n,q;
char S[N];
int s[3][N];


int main(){
	cin>>n>>q;
	scanf("\n%s",S+1);
	
	for(int i=1;i<=n;i++){
		for(int t=0;t<3;t++) s[t][i]=s[t][i-1];
		if(S[i]!=S[i-1]) s[S[i]-'A'][i]++;
	}
	
	while(q--){
		int l,r; cin>>l>>r;
		cout<<(s[0][r]-s[0][l-1]+s[1][r]-s[1][l-1]+s[2][r]-s[2][l-1]+(S[l]==S[l-1])+(S[l]!=S[r]))/2<<'\n';
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   11 |  scanf("\n%s",S+1);
      |  ~~~~~^~~~~~~~~~~~

Judge Result