제출 #791116

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
791116		alexander707070	식물 비교 (IOI20_plants)	C++14	0 / 100	1 ms	212 KiB

plants

#include<bits/stdc++.h>
#define MAXN 200007
using namespace std;

int n,perm[MAXN],k,minpos,maxpos;
int pref[MAXN],sum;

void init(int K,vector<int> R){
    n=int(R.size()); k=K;

    for(int i=0;i<n;i++){
        pref[i+1]=R[i];
        pref[i+1]+=pref[i];
        sum+=R[i];
    }
}

int compare_plants(int x, int y){
    if(x>y)swap(x,y);
    x++; y++;

    if(pref[y-1]-pref[x-1]==0)return -1;
    if(pref[y-1]-pref[x-1]==y-x)return 1;

    if(sum-(pref[y-1]-pref[x-1])==0)return 1;
    if(sum-(pref[y-1]-pref[x-1])==n-(y-x))return -1;

    return 0;
}

/*
int main(){
    init(4,{3,0,0,0,1,2});
}
*/

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• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
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