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[Blue Bridge Cup] load balancing

2022-04-22 07:04:00 【Lupin123123】

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A good simulation problem 

#include<bits/stdc++.h>
#define FAST ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define INF 0x3f3f3f3f

using namespace std;

typedef long long ll;
typedef pair<int, int> PII;

const int maxn = 2e5+5;

int n,m;
int s[maxn];
priority_queue<PII, vector<PII>, greater<PII> > q[maxn];

int main()
{
    
// freopen("1.in","r",stdin);
// freopen("1.txt","w",stdout);
    scanf("%d%d",&n,&m);
    for (int i=1; i<=n; i++) scanf("%d",&s[i]);
    
    for (int i=1; i<=m; i++){
    
    	int a,b,c,d;
    	scanf("%d%d%d%d",&a,&b,&c,&d);
    	while(q[b].size() && q[b].top().first<=a){
    
    		s[b]+=q[b].top().second;
    		q[b].pop();
		}
		
		if (s[b]<d) printf("-1\n");
		else{
    
			q[b].push({
    a+c,d});
			s[b]-=d;
			printf("%d\n",s[b]);
		}
	}
return 0;
}

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https://yzsam.com/2022/04/202204220604096404.html

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