Submission #536283

#	Time	Username	Problem	Language	Result	Execution time	Memory
536283		Deepesson	Election (BOI18_election)	C++17	28 / 100	3082 ms	640 KiB

election

#include <bits/stdc++.h>

int main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout.tie(0);
    int N;
    std::cin>>N;
    std::string s;
    std::cin >> s;
    int Q;
    std::cin>>Q;
    for(int i=0;i!=Q;++i){
        int l,r;
        std::cin>>l>>r;--l;--r;
        std::string nov = s;
        int s=0;
        int ans=0;
        for(int j=l;j!=r+1;++j){
            if(nov[j]=='C')++s;else if(nov[j]=='T'){
                --s;
                if(s<0){
                    ++s;
                    ++ans;
                    nov[j]='N';
                }
            }
        }
        s=0;
        for(int j=r;j!=l-1;--j){
            if(nov[j]=='C')++s;else if(nov[j]=='T'){
                --s;
                if(s<0){
                    ++s;
                    ++ans;
                    nov[j]='N';
                }
            }
        }
        std::cout<<ans<<"\n";
    }
}

• Subtask 1: 28 / 28
• Subtask 2: 0 / 54
• Subtask 3: 0 / 18