Submission #89507

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
89507	2018-12-15 07:01:00	Hideo	Gift (IZhO18_nicegift)	C++14	100 / 100	890 ms	144604 KiB

nicegift

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 1e6 + 7;
const int INF = 1e9 + 7;
int a[N], p[N];
int n, k, s;
vector < pair < int, int > > dq[N];
vector < int > ans[N];
main(){
  cin >> n >> k;
  int mx = -1;
  for (int i = 0; i < n; i++){
        scanf("%lld", &a[i]);
        s += a[i];
        mx = max(mx, a[i]);
  }
  int h = s / k, cs = 0, c = 0;
  if (mx > h || s % k != 0){
        cout << -1;
        return 0;
  }
  for (int i = 0; i < n; i++){
        if(a[i] == 0) continue;
        if (cs + a[i] >= h){
            a[i] -= (h - cs);
 
 
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Compilation message (stderr)

nicegift.cpp:14:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
nicegift.cpp: In function 'int main()':
nicegift.cpp:61:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < ans[it].size(); i++){
                         ~~^~~~~~~~~~~~~~~~
nicegift.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &a[i]);
         ~~~~~^~~~~~~~~~~~~~~

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