제출 #858289

#제출 시각아이디문제언어결과실행 시간메모리
85828912345678가로등 (APIO19_street_lamps)C++17
20 / 100
76 ms10980 KiB
#include <bits/stdc++.h>

using namespace std;

const int nx=3e5+5;
int n, q, lst[nx], sm[nx], l, a, b;
string s;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>q>>s;
    for (int i=1; i<=n; i++) lst[i]=(s[i-1]-'0')-1;
    for (int i=1; i<=q; i++)
    {
        cin>>s;
        if (s[0]=='t')
        {
            cin>>l;
            if (lst[l]==-1) lst[l]=i;
            else sm[l]+=(i-lst[l]), lst[l]=-1;
        }
        else
        {
            cin>>a>>b;
            if (lst[a]!=-1) cout<<sm[a]+(i-lst[a])<<'\n';
            else cout<<sm[a]<<'\n';
        }
    }
}

/*
5 7
11111
query 1 2
query 2 3
query 3 4
query 4 5
query 5 6
toggle 1
query 1 2
*/
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