Submission #166527

#	Time	Username	Problem	Language	Result	Execution time	Memory
166527		losmi247	Secret (JOI14_secret)	C++14	0 / 100	620 ms	8440 KiB

secret

#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
typedef long long ll;
typedef pair <int,int> p;
const int N = 1005;

int n,a[N];
int x[N][N];

void nesto(int l,int r){
    int mid = l+(r-l)/2;
    if(mid >= r || mid < l){
        return;
    }
    x[mid][mid] = a[mid];
    x[mid+1][mid+1] = a[mid+1];
    for(int i = mid-1; i >= l; i--){
        x[i][mid] = Secret(a[i],x[i+1][mid]);
    }
    for(int i = mid+2; i <= r; i++){
        x[mid+1][i] = Secret(x[mid+1][i-1],a[i]);
    }
    nesto(l,mid);
    nesto(mid+1,r);
}

int Query(int l,int r){
    if(l == r){
        return a[l];
    }
    if(l+1 == r){
        return Secret(a[l],a[r]);
    }
    for(int i = l; i < r; i++){
        if(x[l][i] != -1 && x[i+1][r] != -1){
            return Secret(x[l][i],x[i+1][r]);
        }
    }
}

void Init(int l,int d[]){
    n = l;
    for(int i = 1; i <= n; i++){
        a[i] = d[i-1];
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            x[i][j] = -1;
        }
    }
    nesto(1,n);
}

Compilation message (stderr)

secret.cpp: In function 'int Query(int, int)':
secret.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 0 / 100