oj.uz

Submission #565569

# Submission time Handle Problem Language Result Execution time Memory
565569 2022-05-21T06:46:10 Z MrDeboo Election (BOI18_election) C++17
28 / 100
 3000 ms 780 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
// #define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n,q;
    cin>>n;
    string s;
    cin>>s;
    vector<bool>v(n);
    for(int i=0;i<n;i++)v[i]=(s[i]=='C');
    vector<bool>V(n);
    cin>>q;
    while(q--){
        int l,r;
        cin>>l>>r;
        l--;r--;
        int cur=0,ans=0;
        for(int i=l;i<=r;i++){
            V[i]=0;
            cur+=(v[i]?1:-1);
            if(cur<0){
                ans++;
                V[i]=1;
                cur=0;
            }
        }
        cur=0;
        for(int i=r;i>=l;i--){
            if(V[i])continue;
            cur+=(v[i]?1:-1);
            if(cur<0){
                ans++;
                V[i]=1;
                cur=0;
            }
        }
        cout<<ans<<endl;
    }
}

Subtask #1
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 328 KB Output is correct
2 Correct 10 ms 352 KB Output is correct
3 Correct 9 ms 340 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 6 ms 340 KB Output is correct

Subtask #2
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 328 KB Output is correct
2 Correct 10 ms 352 KB Output is correct
3 Correct 9 ms 340 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Execution timed out 3063 ms 780 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 328 KB Output is correct
2 Correct 10 ms 352 KB Output is correct
3 Correct 9 ms 340 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Execution timed out 3063 ms 780 KB Time limit exceeded
7 Halted 0 ms 0 KB -