Submission #37029460

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int f[100010];
signed main() {
	int n,q;
	string s;
	cin>>n>>q>>s;
	for(int i=0;i<s.size();i++)
		if(i>0) f[i]=f[i-1]+(s[i]!=s[i-1]);
	while(q--) {
		int l,r;
		cin>>l>>r;
		l--,r--;
		if(s[l]==s[r]) cout<<(f[r]-f[l]+1)/2<<endl;
		else cout<<(f[r]-f[l])/2+1<<endl;
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:15: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    8 |  for(int i=0;i<s.size();i++)
      |              ~^~~~~~~~~

Judge Result