Submission #114420

#	Time	Username	Problem	Language	Result	Execution time	Memory
114420		E869120	Holiday (IOI14_holiday)	C++14	30 / 100	19 ms	1152 KiB

holiday

#include "holiday.h"
#include <bits/stdc++.h>
using namespace std;

long long e[109];

long long int findMaxAttraction(int n, int start, int d, int attraction[]) {
	if (n <= 300) {
		long long maxn = 0;
		for (int i = 0; i <= start; i++) {
			for (int j = start; j < n; j++) {
				vector<long long> E; for (int k = i; k <= j; k++) E.push_back(attraction[k]);
				sort(E.begin(), E.end());
				reverse(E.begin(), E.end());
				
				int J = d - (j - i) - min(start - i, j - start);
				long long sum = 0;
				for (int k = 0; k < E.size(); k++) {
					if (J <= k) break;
					sum += E[k];
				}
				maxn = max(maxn, sum);
			}
		}
		return maxn;
	}
	long long maxn = 0;
	for (int i = 0; i < n; i++) {
		e[attraction[i]]++;
		long long s = 0, rem = d - i;
		for (int j = 100; j >= 0; j--) {
			if (rem >= e[j]) { rem -= e[j]; s += 1LL * e[j] * j; }
			else { s += 1LL * rem * j; rem = 0; }
		}
		maxn = max(maxn, s);
	}
	return maxn;
}

Compilation message (stderr)

holiday.cpp: In function 'long long int findMaxAttraction(int, int, int, int*)':
holiday.cpp:18:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int k = 0; k < E.size(); k++) {
                     ~~^~~~~~~~~~
grader.cpp: In function 'int main()':
grader.cpp:7:12: warning: variable 'n_s' set but not used [-Wunused-but-set-variable]
     int i, n_s;
            ^~~

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 0 / 17
• Subtask 4: 0 / 53