Submission #41626

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
41626	2018-02-20 03:37:37	cheater2k	Gift (IZhO18_nicegift)	C++14	100 / 100	1227 ms	110188 KiB

nicegift

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#include <bits/stdc++.h>
using namespace std;
const int N = 1000005;
int n, k;
long long a[N];
long long sum;
long long mx;
priority_queue < pair<long long, int> > pq;
vector < vector <int> > vres;
vector <long long> vX;
int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> k;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i], sum += a[i]; mx = max(mx, a[i]);
    }
    if (sum % k != 0 || mx > sum / k) return printf("-1\n"), 0;
    for (int i = 1; i <= n; ++i) {
        pq.push(make_pair(a[i], i));
    }    
    long long average = sum / k;
    while(!pq.empty()) {
        int taken = 0;
 
 
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Compilation message (stderr)

nicegift.cpp: In function 'int main()':
nicegift.cpp:54:31: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<std::vector<int> >::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n", vres.size());
                               ^
nicegift.cpp:55:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < vres.size(); ++i) {
                       ^

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 19 / 19
• Subtask 5: 51 / 51