Submission #33816

# Submission time Handle Problem Language Result Execution time Memory
33816 2017-11-02T18:16:23 Z mohammad_kilani Simurgh (IOI17_simurgh) C++14
13 / 100
76 ms 2024 KB
#include "simurgh.h"
#include <bits/stdc++.h>
using namespace std;
const int N =12;
vector<int> r , ans , u , v;
int n , m;
vector< int > g[N];
int cur = 0  , vis[N] , vi = 0 ;
void DFS(int node){
	vis[node] = vi;
	cur++;
	for(int i=0;i<g[node].size();i++){
		if(vis[g[node][i]] != vi) DFS(g[node][i]);
	}
}

void calc(int i){
	if(r.size() >= n) return;
	if(i == m){
		if(r.size() < n - 1) return;
		for(int i=0;i<n;i++){
			g[i].clear();
		}
		for(int i=0;i<r.size();i++){
			g[u[r[i]]].push_back(v[r[i]]);
			g[v[r[i]]].push_back(u[r[i]]);
		}
		cur = 0;
		vi++;
		DFS(0);
		if(cur != n) return;
		if(count_common_roads(r) == n-1){
			ans = r;
		}
		return ;
	}
	r.push_back(i);
	calc(i+1);
	r.pop_back();
	calc(i+1);
}

std::vector<int> find_roads(int N, std::vector<int> U, std::vector<int> V) {
	u = U;
	v = V;
	n = N;
	m = u.size();
	r.clear();
	calc(0);
	return ans;
}

Compilation message

simurgh.cpp: In function 'void DFS(int)':
simurgh.cpp:12:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<g[node].size();i++){
               ^
simurgh.cpp: In function 'void calc(int)':
simurgh.cpp:18:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(r.size() >= n) return;
              ^
simurgh.cpp:20:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(r.size() < n - 1) return;
               ^
simurgh.cpp:24:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<r.size();i++){
                ^
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2024 KB correct
2 Correct 9 ms 2024 KB correct
3 Correct 13 ms 2024 KB correct
4 Correct 0 ms 2024 KB correct
5 Correct 0 ms 2024 KB correct
6 Correct 0 ms 2024 KB correct
7 Correct 0 ms 2024 KB correct
8 Correct 0 ms 2024 KB correct
9 Correct 0 ms 2024 KB correct
10 Correct 0 ms 2024 KB correct
11 Correct 0 ms 2024 KB correct
12 Correct 0 ms 2024 KB correct
13 Correct 9 ms 2024 KB correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2024 KB correct
2 Correct 9 ms 2024 KB correct
3 Correct 13 ms 2024 KB correct
4 Correct 0 ms 2024 KB correct
5 Correct 0 ms 2024 KB correct
6 Correct 0 ms 2024 KB correct
7 Correct 0 ms 2024 KB correct
8 Correct 0 ms 2024 KB correct
9 Correct 0 ms 2024 KB correct
10 Correct 0 ms 2024 KB correct
11 Correct 0 ms 2024 KB correct
12 Correct 0 ms 2024 KB correct
13 Correct 9 ms 2024 KB correct
14 Runtime error 0 ms 2024 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2024 KB correct
2 Correct 9 ms 2024 KB correct
3 Correct 13 ms 2024 KB correct
4 Correct 0 ms 2024 KB correct
5 Correct 0 ms 2024 KB correct
6 Correct 0 ms 2024 KB correct
7 Correct 0 ms 2024 KB correct
8 Correct 0 ms 2024 KB correct
9 Correct 0 ms 2024 KB correct
10 Correct 0 ms 2024 KB correct
11 Correct 0 ms 2024 KB correct
12 Correct 0 ms 2024 KB correct
13 Correct 9 ms 2024 KB correct
14 Runtime error 0 ms 2024 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB correct
2 Incorrect 76 ms 2024 KB WA in grader: NO
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2024 KB correct
2 Correct 9 ms 2024 KB correct
3 Correct 13 ms 2024 KB correct
4 Correct 0 ms 2024 KB correct
5 Correct 0 ms 2024 KB correct
6 Correct 0 ms 2024 KB correct
7 Correct 0 ms 2024 KB correct
8 Correct 0 ms 2024 KB correct
9 Correct 0 ms 2024 KB correct
10 Correct 0 ms 2024 KB correct
11 Correct 0 ms 2024 KB correct
12 Correct 0 ms 2024 KB correct
13 Correct 9 ms 2024 KB correct
14 Runtime error 0 ms 2024 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -