oj.uz

Submission #578661

# Submission time Handle Problem Language Result Execution time Memory
578661 2022-06-17T13:19:12 Z FatihSolak popa (BOI18_popa) C++17
0 / 100
 21 ms 464 KB 
#include <bits/stdc++.h>
#include "popa.h"
#define N 1005
using namespace std;
int L[N],R[N];
int lgroup[N],rgroup[N];
int f(int l,int r){
    if(l > r)return -1;
    for(int i = l;i<=r;i++){
        if(rgroup[i] == rgroup[r] && lgroup[i] == lgroup[l]){
            L[i] = f(l,i-1);
            R[i] = f(i+1,r);
            return i;
        }
    }
    while(1){}
}
int solve(int n, int* Left, int* Right){
    for(int i = 0;i<n;i++){
        L[i] = R[i] = -1;
    }
    int cnt = 1;
    for(int i = 0;i<n;i++){
        int r = i;
        while(r + 1 != n && query(i,r+1,i,i))
            r++;
        for(int j = i;j<=r;j++){
            rgroup[j] = cnt; 
        }
        cnt++;
        i = r;
    }
    cnt = 1;
    for(int i = n-1;i>=0;i--){
        int l = i;
        while(l - 1 != -1 && query(l-1,i,i,i))
            l--;
        for(int j = l;j<=i;j++){
            lgroup[j] = cnt; 
        }
        cnt++;
        i = l;
    }
    int ret = f(0,n-1);
    for(int i = 0;i<n;i++){
        Left[i] = L[i];
        Right[i] = R[i];
    }
    return ret;
}

Subtask #1
0 / 37.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 464 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 21 ms 440 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 39.0

# Verdict Execution time Memory Grader output
1 Runtime error 14 ms 460 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -