Submission #1251258

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251258		guymmk	3개의 봉우리 (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

// Source: https://usaco.guide/general/io

#include <bits/stdc++.h>
#include "triples.h"
using namespace std;
vector<int> v;
int n;
map<vector<int>,int>mp;
int is_triple(vector<int>g){
  sort(g.begin(),g.end());
  if(mp[g]||(g[0]==g[1]||g[0]==g[2]||g[1]==g[2])||g[0]<0||g[2]>=n)return 0;
  mp[g]++;
  vector<int>a,b;
  a={g[1]-g[0],g[2]-g[0],g[2]-g[1]};
  b={v[g[0]],v[g[1]],v[g[2]]};
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  return (int)(a==b);
}
long long count_triples(vector<int> hsh) {
    v=hsh;
    int ans=0;
    n=v.size();
    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
              ans+=is_triple({i,j,i+v[i]});
              ans+=is_triple({i,j,j+v[i]});
              ans+=is_triple({i,j,i+v[j]});
              ans+=is_triple({i,j,j+v[j]});
              ans+=is_triple({i,j,i-v[i]});
              ans+=is_triple({i,j,j-v[i]});
              ans+=is_triple({i,j,i-v[j]});
              ans+=is_triple({i,j,j-v[j]});
             
            
        }
    }return ans;
}

vector<int> construct_range(int M, int K) {
  vector<int>pred;
  int mx=0,cnt=50;
  srand(time())
  while(mx<K&&cnt--){
    vector<int>idk(M);
    for(auto& i:idk){
      i=rand()%M+1
    }
    int f=count_triples(idk)
    if(f>mx){
      mx=f;
      pred=idk;
    }
  }return pred;
  
}

Compilation message (stderr)

triples.cpp: In function 'std::vector<int> construct_range(int, int)':
triples.cpp:43:13: error: too few arguments to function 'time_t time(time_t*)'
   43 |   srand(time())
      |         ~~~~^~
In file included from /usr/include/c++/11/ctime:42,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:49,
                 from triples.cpp:3:
/usr/include/time.h:76:15: note: declared here
   76 | extern time_t time (time_t *__timer) __THROW;
      |               ^~~~