Submission #988573

#	Time	Username	Problem	Language	Result	Execution time	Memory
988573		Otalp	Modern Machine (JOI23_ho_t5)	C++14	15 / 100	3075 ms	3164 KiB

Main

#include<bits/stdc++.h>
using namespace std;

int a[200100], b[200100], c[200100];

void solve(){
    int n, m;
    cin>>n>>m;
    for(int i=1; i<=n; i++){
        char c;
        cin>>c;
        if(c == 'R') a[i] = 1;
        else a[i] = 0;
        b[i] = a[i];
    }
    for(int i=1; i<=m; i++){
        cin>>c[i];
    }
    int t;
    cin>>t;
    while(t--){
        int l, r;
        cin>>l>>r;
        for(int i=1; i<=n; i++){
            a[i] = b[i];
        }
        for(int j=l; j<=r; j++){
            int d = c[j];
            int c1=0, c2=0;
            for(int i=1; i<d; i++){
                if(a[i] == 1) c1 ++;
            }
            for(int i = d + 1; i<=n; i++){
                if(a[i] == 0) c2 ++;
            }
            if(c1 < c2){
                for(int i=d + 1, k=0; k < c1 + 1; i++){
                    if(a[i] == 0) k ++;
                    a[i] = 1;
                }
                for(int i=1; i<=d; i++) a[i] = 1;
            }
            else{
                for(int i=d - 1, k=0; k<c2; i--){
                    if(a[i] == 1) k++;
                    a[i] = 0;
                }
                for(int i=n; i>=d; i--) a[i] = 0; 
            }
        }
        int  ans = 0;
        for(int i=1; i<=n; i++){
            ans += a[i];
        }
        cout<<ans<<'\n';
    }
}


int main(){
    solve();
}

• Subtask 1: 3 / 3
• Subtask 2: 12 / 12
• Subtask 3: 0 / 10
• Subtask 4: 0 / 11
• Subtask 5: 0 / 26
• Subtask 6: 0 / 17
• Subtask 7: 0 / 21