# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1256706 | medmdg | Triple Peaks (IOI25_triples) | C++20 | Compilation error | 0 ms | 0 KiB |
#include "triples.h"
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
vector<ll> H;
ll n;
bool check(ll i,ll j,ll k){
if(i<0||j<0||k<0||i>=n||j>=n||k>=n)return 0;
vector<ll> s1,s2;
s1.insert(abs(j-i));
s1.insert(abs(k-i));
s1.insert(abs(j-k));
sort(s1.begin(),s1.end());
if(s1[0]==0)return 0;
s2.insert(H[i]);
s2.insert(H[j]);
s2.insert(H[k]);
sort(s2.begin(),s2.end());
return s1==s2;
}
ll sub4(){
ll ans=0;
for(int i=n-1;i>1;i--){
ll x2=i-H[i];
ll x3=x2+H[x2],x4=i-H[x2];
if(i-x3==H[x3])ans++;
if(x3!=x4)
if(x4-x2==H[x4])ans++;
}
return ans;
}
ll sub2(){
return 0;
}
ll sub3(){
return 0;
}
ll count_triples(vector<int> H) {
n=H.size();
sub4();
return;
if(n<2001)return sub3();
else return sub2();
}
std::vector<int> construct_range(int M, int K) {
return {1, 1, 1};
}
Compilation message (stderr)
triples.cpp: In function 'bool check(ll, ll, ll)': triples.cpp:10:12: error: no matching function for call to 'std::vector<long long int>::insert(long long int)' 10 | s1.insert(abs(j-i)); | ~~~~~~~~~^~~~~~~~~~ In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1379:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]' 1379 | insert(const_iterator __position, _InputIterator __first, | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1379:9: note: template argument deduction/substitution failed: triples.cpp:10:12: note: candidate expects 3 arguments, 1 provided 10 | s1.insert(abs(j-i)); | ~~~~~~~~~^~~~~~~~~~ In file included from /usr/include/c++/11/vector:72, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 130 | vector<_Tp, _Alloc>:: | ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate expects 2 arguments, 1 provided In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 1293 | insert(const_iterator __position, value_type&& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator]' 1310 | insert(const_iterator __position, initializer_list<value_type> __l) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int]' 1335 | insert(const_iterator __position, size_type __n, const value_type& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate expects 3 arguments, 1 provided triples.cpp:11:12: error: no matching function for call to 'std::vector<long long int>::insert(long long int)' 11 | s1.insert(abs(k-i)); | ~~~~~~~~~^~~~~~~~~~ In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1379:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]' 1379 | insert(const_iterator __position, _InputIterator __first, | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1379:9: note: template argument deduction/substitution failed: triples.cpp:11:12: note: candidate expects 3 arguments, 1 provided 11 | s1.insert(abs(k-i)); | ~~~~~~~~~^~~~~~~~~~ In file included from /usr/include/c++/11/vector:72, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 130 | vector<_Tp, _Alloc>:: | ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate expects 2 arguments, 1 provided In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 1293 | insert(const_iterator __position, value_type&& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator]' 1310 | insert(const_iterator __position, initializer_list<value_type> __l) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int]' 1335 | insert(const_iterator __position, size_type __n, const value_type& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate expects 3 arguments, 1 provided triples.cpp:12:12: error: no matching function for call to 'std::vector<long long int>::insert(long long int)' 12 | s1.insert(abs(j-k)); | ~~~~~~~~~^~~~~~~~~~ In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1379:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]' 1379 | insert(const_iterator __position, _InputIterator __first, | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1379:9: note: template argument deduction/substitution failed: triples.cpp:12:12: note: candidate expects 3 arguments, 1 provided 12 | s1.insert(abs(j-k)); | ~~~~~~~~~^~~~~~~~~~ In file included from /usr/include/c++/11/vector:72, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 130 | vector<_Tp, _Alloc>:: | ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate expects 2 arguments, 1 provided In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 1293 | insert(const_iterator __position, value_type&& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator]' 1310 | insert(const_iterator __position, initializer_list<value_type> __l) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int]' 1335 | insert(const_iterator __position, size_type __n, const value_type& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate expects 3 arguments, 1 provided triples.cpp:15:12: error: no matching function for call to 'std::vector<long long int>::insert(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&)' 15 | s2.insert(H[i]); | ~~~~~~~~~^~~~~~ In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1379:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]' 1379 | insert(const_iterator __position, _InputIterator __first, | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1379:9: note: template argument deduction/substitution failed: triples.cpp:15:12: note: candidate expects 3 arguments, 1 provided 15 | s2.insert(H[i]); | ~~~~~~~~~^~~~~~ In file included from /usr/include/c++/11/vector:72, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 130 | vector<_Tp, _Alloc>:: | ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate expects 2 arguments, 1 provided In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 1293 | insert(const_iterator __position, value_type&& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator]' 1310 | insert(const_iterator __position, initializer_list<value_type> __l) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int]' 1335 | insert(const_iterator __position, size_type __n, const value_type& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate expects 3 arguments, 1 provided triples.cpp:16:12: error: no matching function for call to 'std::vector<long long int>::insert(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&)' 16 | s2.insert(H[j]); | ~~~~~~~~~^~~~~~ In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1379:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]' 1379 | insert(const_iterator __position, _InputIterator __first, | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1379:9: note: template argument deduction/substitution failed: triples.cpp:16:12: note: candidate expects 3 arguments, 1 provided 16 | s2.insert(H[j]); | ~~~~~~~~~^~~~~~ In file included from /usr/include/c++/11/vector:72, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 130 | vector<_Tp, _Alloc>:: | ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate expects 2 arguments, 1 provided In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 1293 | insert(const_iterator __position, value_type&& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator]' 1310 | insert(const_iterator __position, initializer_list<value_type> __l) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int]' 1335 | insert(const_iterator __position, size_type __n, const value_type& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate expects 3 arguments, 1 provided triples.cpp:17:12: error: no matching function for call to 'std::vector<long long int>::insert(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&)' 17 | s2.insert(H[k]); | ~~~~~~~~~^~~~~~ In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1379:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]' 1379 | insert(const_iterator __position, _InputIterator __first, | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1379:9: note: template argument deduction/substitution failed: triples.cpp:17:12: note: candidate expects 3 arguments, 1 provided 17 | s2.insert(H[k]); | ~~~~~~~~~^~~~~~ In file included from /usr/include/c++/11/vector:72, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 130 | vector<_Tp, _Alloc>:: | ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/11/bits/vector.tcc:130:5: note: candidate expects 2 arguments, 1 provided In file included from /usr/include/c++/11/vector:67, from triples.h:1, from triples.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::value_type = long long int]' 1293 | insert(const_iterator __position, value_type&& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1293:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator]' 1310 | insert(const_iterator __position, initializer_list<value_type> __l) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1310:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::iterator = std::vector<long long int>::iterator; std::vector<_Tp, _Alloc>::const_iterator = std::vector<long long int>::const_iterator; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int]' 1335 | insert(const_iterator __position, size_type __n, const value_type& __x) | ^~~~~~ /usr/include/c++/11/bits/stl_vector.h:1335:7: note: candidate expects 3 arguments, 1 provided triples.cpp: In function 'll count_triples(std::vector<int>)': triples.cpp:41:3: error: return-statement with no value, in function returning 'll' {aka 'long long int'} [-fpermissive] 41 | return; | ^~~~~~