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Submission #403174

# Submission time Handle Problem Language Result Execution time Memory
403174 2021-05-12T21:48:04 Z AmineTrabelsi Street Lamps (APIO19_street_lamps) C++14
20 / 100
 808 ms 11100 KB 
#include <bits/stdc++.h>
using namespace std;
// Hi

int main(){
    //ios::sync_with_stdio(0);cin.tie(0);
    int n,q;
    cin>>n>>q;
    string s;
    cin>>s;
    vector<int> cnt,last_on(n+1,0);
    for(auto i:s)cnt.push_back(i-'0');
    vector<bool> on(cnt.begin(),cnt.end());
    for(int i=0;i<n;i++){
        if(on[i]){
            last_on[i] = 0;
        }else last_on[i] = 1e9+7;
    }
    for(int time=1;time<=q;time++){
        string t;
        cin>>t;
        if(t == "toggle"){
            int ind;
            cin>>ind;
            ind--;
            if(!on[ind]){
                on[ind] = 1;
                last_on[ind] = time;
                cnt[ind]++;
            }else{
                int pre = time-last_on[ind]-1;
                cnt[ind] += (pre >= 0 ? pre : 0);
                last_on[ind] = 1e9+7;
                on[ind] = 0;
            }
        }else{
            int a,b;
            cin>>a>>b;
            int pre = time-last_on[a-1]-1;
            cout << cnt[a-1]+(pre >= 0 ? pre : 0) << '\n';
        }
    }
    return 0;
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 434 ms 1220 KB Output is correct
2 Correct 448 ms 4700 KB Output is correct
3 Correct 474 ms 5284 KB Output is correct
4 Correct 511 ms 8916 KB Output is correct
5 Correct 573 ms 9496 KB Output is correct
6 Correct 451 ms 8788 KB Output is correct
7 Correct 791 ms 9688 KB Output is correct
8 Correct 808 ms 11100 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -