Submission #485667

#	Time	Username	Problem	Language	Result	Execution time	Memory
485667		antontsiorvas	Distributing Candies (IOI21_candies)	C++17	0 / 100	229 ms	12060 KiB

candies

#include "candies.h"

#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;

const int root = 450; 
 
int buck[500]; 

std::vector<int> distribute_candies(std::vector<int> c, std::vector<int> l,
                                    std::vector<int> r, std::vector<int> v) {
    int n = c.size(), q = l.size();
    std::vector<int> s(n);
    for(int i=0; i<q; i++){
    	int sb = l[i]/root, lb = r[i]/root;
    	int esb = (sb + 1)*root - 1, slb = lb*root;
    	if(sb == lb){
    		for(int j=l[i]; j<=r[i]; j++){
    			if(v[i] > 0) s[j] = min(c[j], s[j] + v[i]);
    			else s[j] = max(0,s[j] + v[i]);
			}
			continue;
		}
    	for(int j=l[i]; j<=esb; j++){
    		if(v[i] > 0) s[j] = min(c[j], s[j] + v[i]);
    		else s[j] = max(0,s[j] + v[i]);
		}
		for(int j=sb+1; j<=lb-1; j++){
			if(v[i] > 0) buck[j] = min(c[j], buck[j] + v[i]);
    		else buck[j] = max(0,buck[j] + v[i]);
		}
		for(int j=slb; j<=r[i]; j++){
			if(v[i] > 0) s[j] = min(c[j], s[j] + v[i]);
    		else s[j] = max(0,s[j] + v[i]);
		}
	}
	for(int i=0; i<n; i++){
		s[i] = min(c[i], s[i] + buck[i/root]);
	}
    return s;
}

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