Submission #1344742

#	Time	Username	Problem	Language	Result	Execution time	Memory
1344742		ElayV13	Triple Peaks (IOI25_triples)	C++20	0 / 100	2094 ms	1860 KiB

triples

#include "triples.h"
#include "bits/stdc++.h"
using namespace std;

#define ll long long

int N;

long long count_triples(vector<int>H)
{
      N=H.size();
      ll res=0;
      for(int i=0;i<N;i++){
            ll f=0,s=0;
            for(int j=0;j<i;j++) if(H[i]-H[j]==i-j) ++f;
            for(int j=i+1;j<N;j++) if(H[j]-H[i]==j-i) ++s;
            res+=(f*s);
      }
      return res;
}

vector<int>construct_range(int M,int K)
{

}

Compilation message (stderr)

triples.cpp: In function 'std::vector<int> construct_range(int, int)':
triples.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type]
   25 | }
      | ^

• Subtask 0: 0 / 0
• Subtask 1: 0 / 8
• Subtask 2: 0 / 6
• Subtask 3: 0 / 10
• Subtask 4: 0 / 11
• Subtask 5: 0 / 16
• Subtask 6: 0 / 19
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
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• Subtask 10: 0 / 5
• Subtask 11: 0 / 5
• Subtask 12: 0 / 5