Submission #518965

#	Time	Username	Problem	Language	Result	Execution time	Memory
518965		mansur	Duathlon (APIO18_duathlon)	C++17	Compilation error	0 ms	0 KiB

count_triplets

#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")

//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 

using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long                    
 
const int inf = 1e15, N = 1e6, mod = 998244353;                    

double eps = 1e-6;

vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

int cur;

vector<int> adj[N];

void dfs(int u, int s, int f, int was) {
	if (u == f) {
		cur |= was;
		return;
	}
	for (auto e: adj[u]) {
		if (was >> e & 1) continue;
		dfs(e, s, f, was | (1 << e));
	}
}

main() {                                                         
	//freopen("F.in", "r", stdin);                                                                                     
	//freopen("F.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);
	int n, m;
	cin >> n >> m;
	for (int i = 1; i <= m; i++) {
		int u, v;
		cin >> u >> v;
		adj[u].pb(v);
		adj[v].pb(u);
	}
	int ans = 0;
	for (int s = 1; s <= n; s++) {
		for (int f = 1; f <= n; f++) {
			if (s == f) continue;
			dfs(s, s, f, (1 << s));
			ans += max(0ll, __builtin_popcount(cur) - 2);
			cur = 0;
		}
	}
	cout << ans;
}
                                                                           

Compilation message (stderr)

count_triplets.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
count_triplets.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
count_triplets.cpp:52:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   52 | main() {
      | ^~~~
count_triplets.cpp: In function 'int main()':
count_triplets.cpp:70:47: error: no matching function for call to 'max(long long int, int)'
   70 |    ans += max(0ll, __builtin_popcount(cur) - 2);
      |                                               ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from count_triplets.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
count_triplets.cpp:70:47: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   70 |    ans += max(0ll, __builtin_popcount(cur) - 2);
      |                                               ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from count_triplets.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
count_triplets.cpp:70:47: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   70 |    ans += max(0ll, __builtin_popcount(cur) - 2);
      |                                               ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from count_triplets.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
count_triplets.cpp:70:47: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   70 |    ans += max(0ll, __builtin_popcount(cur) - 2);
      |                                               ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from count_triplets.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
count_triplets.cpp:70:47: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   70 |    ans += max(0ll, __builtin_popcount(cur) - 2);
      |                                               ^