Submission #466467

#	Time	Username	Problem	Language	Result	Execution time	Memory
466467		MohamedFaresNebili	Distributing Candies (IOI21_candies)	C++17	0 / 100	138 ms	12880 KiB

candies

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

using namespace std;

vector<int>ft;
void add(int l, int v, int n) {
    for(;l<=n;l+=l&-l) ft[l]+=v;
}
void RangeQuery(int l, int r, int n, int v) {
    add(l, v, n); add(r+1, -v, n);
}
int sum(int l) {
    int res=0;
    for(;l>0;l-=l&-l) res+=ft[l];
    return res;
}

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
    int n = (int)c.size(); int q=(int)v.size(); vector<int> s(n, 0); ft.assign(n+1, 0);
    for(int k=0;k<q;k++) {
        int i=l[k], j=r[k], x=v[k]; i++; j++;
        RangeQuery(i, j, n, x);
    }
    for(int i=1;i<=n;i++) {
        s[i-1]=sum(i);
      	if(s[i-1]>c[i-1]) s[i-1]=c[i-1];
    }
    return s;
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 8
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 33