oj.uz

Submission #264425

# Submission time Handle Problem Language Result Execution time Memory
264425 2020-08-14T06:49:15 Z kaage Duathlon (APIO18_duathlon) C++17
5 / 100
 1000 ms 640 KB 
#line 2 "/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp"
#define _CRT_SECURE_NO_WARNINGS
#pragma target("avx2")
#pragma optimize("O3")
#pragma optimize("unroll-loops")
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <memory>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <string.h>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#define rep(i,n) for(int i=0;i<(n);i++)
#define REP(i,n) for(int i=1;i<=(n);i++)
#define all(V) V.begin(),V.end()
typedef long long lint;
typedef unsigned long long ulint;
typedef std::pair<int, int> P;
typedef std::pair<lint, lint> LP;
constexpr int INF = INT_MAX/2;
constexpr lint LINF = LLONG_MAX/2;
constexpr double eps = DBL_EPSILON;
constexpr double PI=3.141592653589793238462643383279;
template<class T>
class prique :public std::priority_queue<T, std::vector<T>, std::greater<T>> {};
template <class T, class U>
inline bool chmax(T& lhs, const U& rhs) {
	if (lhs < rhs) {
		lhs = rhs;
		return 1;
	}
	return 0;
}
template <class T, class U>
inline bool chmin(T& lhs, const U& rhs) {
	if (lhs > rhs) {
		lhs = rhs;
		return 1;
	}
	return 0;
}
inline lint gcd(lint a, lint b) {
	while (b) {
		lint c = a;
		a = b; b = c % b;
	}
	return a;
}
inline lint lcm(lint a, lint b) {
	return a / gcd(a, b) * b;
}
bool isprime(lint n) {
	if (n == 1)return false;
	for (int i = 2; i * i <= n; i++) {
		if (n % i == 0)return false;
	}
	return true;
}
template<typename T>
T mypow(T a, lint b) {
	T res(1);
	while(b){
		if(b&1)res*=a;
		a*=a;
		b>>=1;
	}
	return res;
}
lint modpow(lint a, lint b, lint m) {
	lint res(1);
	while(b){
		if(b&1){
			res*=a;res%=m;
		}
		a*=a;a%=m;
		b>>=1;
	}
	return res;
}
template<typename T>
void printArray(std::vector<T>& vec) {
	rep(i, vec.size()){
		std::cout << vec[i];
		std::cout<<(i==(int)vec.size()-1?"\n":" ");
	}
}
template<typename T>
void printArray(T l, T r) {
	T rprev = std::prev(r);
	for (T i = l; i != rprev; i++) {
		std::cout << *i << " ";
	}
	std::cout << *rprev << std::endl;
}
LP extGcd(lint a,lint b) {
	if(b==0)return {1,0};
	LP s=extGcd(b,a%b);
	std::swap(s.first,s.second);
	s.second-=a/b*s.first;
	return s;
}
LP ChineseRem(const lint& b1,const lint& m1,const lint& b2,const lint& m2) {
	lint p=extGcd(m1,m2).first;
	lint tmp=(b2-b1)*p%m2;
	lint r=(b1+m1*tmp+m1*m2)%(m1*m2);
	return std::make_pair(r,m1*m2);
}
/*template<typename F>
inline constexpr decltype(auto) lambda_fix(F&& f){
	return [f=std::forward<F>(f)](auto&&... args){
		return f(f,std::forward<decltype(args)>(args)...);
	};
}*/
#line 3 "/Users/kaage/Desktop/ProgrammingWorkspace/library/graph/UnionFind.hpp"
class UnionFind {
protected:
	std::vector<int> par, size;
public:
	UnionFind(unsigned int size) {
		par.resize(size); this->size.resize(size, 1);
		rep(i, size) {
			par[i] = i;
		}
	}
	int find(int n) {
		if (par[n] == n)return n;
		return par[n] = find(par[n]);
	}
	void unite(int n, int m) {
		n = find(n);
		m = find(m);
		if (n == m)return;
		int a=n,b=m;
		if(size[a]>size[b])std::swap(a,b);
		par[a] = b;
		size[b] += size[a];
	}
	bool same(int n, int m) {
		return find(n) == find(m);
	}
	int getsize(int n) {
		return size[find(n)];
	}
};
#line 3 "main.cpp"
int n,m,u[110],v[110];
lint ans;
int main(){
	std::cin>>n>>m;
	rep(i,m)std::cin>>u[i]>>v[i];
	int ans=0;
	REP(i,n){
		REP(j,n){
			if(i==j)continue;
			REP(k,n){
				if(i==k||j==k)continue;
				REP(l,n){
					if(l==i)continue;
					UnionFind uf(n+1);
					rep(o,m){
						if(u[o]==l||v[o]==l)continue;
						uf.unite(u[o],v[o]);
					}
					if(!uf.same(i,j)&&!uf.same(i,k))goto end;
				}
				ans++;
				end:;
			}
		}
	}
	std::cout<<ans<<std::endl;
}

Compilation message

/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp:3: warning: ignoring #pragma target  [-Wunknown-pragmas]
/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp:4: warning: ignoring #pragma optimize  [-Wunknown-pragmas]
/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp:5: warning: ignoring #pragma optimize  [-Wunknown-pragmas]
/Users/kaage/Desktop/ProgrammingWorkspace/library/graph/UnionFind.hpp: In constructor 'UnionFind::UnionFind(unsigned int)':
/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp:33:31: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
/Users/kaage/Desktop/ProgrammingWorkspace/library/graph/UnionFind.hpp:9:3: note: in expansion of macro 'rep'

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 3 ms 416 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 1 ms 376 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 3 ms 416 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 1 ms 376 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 45 ms 392 KB Output is correct
37 Correct 173 ms 368 KB Output is correct
38 Execution timed out 1065 ms 256 KB Time limit exceeded
39 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 3 ms 416 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 1 ms 376 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 45 ms 392 KB Output is correct
37 Correct 173 ms 368 KB Output is correct
38 Execution timed out 1065 ms 256 KB Time limit exceeded
39 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 3 ms 416 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 1 ms 376 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 45 ms 392 KB Output is correct
37 Correct 173 ms 368 KB Output is correct
38 Execution timed out 1065 ms 256 KB Time limit exceeded
39 Halted 0 ms 0 KB -