Submission #959489

#	Time	Username	Problem	Language	Result	Execution time	Memory
959489		irmuun	Secret (JOI14_secret)	C++17	0 / 100	370 ms	16740 KiB

secret

#include<bits/stdc++.h>
#include "secret.h"

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int n;
vector<pair<int,int>>v;
int val[1005][1005];
void build(int l,int r){
    val[l][r]=Secret(l,r);
    if(l==r) return;
    int mid=(l+r)/2;
    build(l,mid);
    build(mid+1,r);
}
void ask(int l,int r,int L,int R){
    if(l<r||R<l||r<L) return;
    if(L<=l&&r<=R){
        v.pb({l,r});
        return;
    }
    int mid=(l+r)/2;
    ask(l,mid,L,R);
    ask(mid+1,r,L,R);
}
void Init(int N,int A[]){
    n=N;
    build(1,N);
}
int Query(int l,int r){
    v.clear();
    ask(1,n,l,r);
    int ans=val[v[0].ff][v[0].ss];
    for(int i=1;i<v.size();i++){
        ans=Secret(ans,val[v[i].ff][v[i].ss]);
    }
    return ans;
}

Compilation message (stderr)

secret.cpp: In function 'int Query(int, int)':
secret.cpp:41:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(int i=1;i<v.size();i++){
      |                 ~^~~~~~~~~

• Subtask 1: 0 / 100