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  1. /************************************
  2. Bsmellah El Rahman El Rahim
  3. *************************************/
  4. #include <bits/stdc++.h>
  5.  
  6. using namespace std;
  7. #define ll long long
  8. #define INF 100000000000ll
  9. #define yn(x) cout<<(x?"YES\n":"NO\n");
  10. #define coutvec(vecname) \
  11. for (const auto& i : vecname) { std::cout << i << " "; } \
  12. std::cout << std::endl;
  13.  
  14. #define fast ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
  15.  
  16. const int N = 1e2+2;
  17. int dx[8] = {0,0,1,-1,1,1,-1,-1};
  18. int dy[8] = {1,-1,0,0,1,-1,1,-1};
  19. ll n,m; int vis[N]; vector<int> adj[N]; int ans{};
  20.  
  21. int u,v;
  22. vector<int> cc; map<pair<int,int>,int> mp;
  23.  
  24.  
  25. void pairs() {
  26. 	int sz = cc.size();
  27. 	for (int i = 0; i < sz; i++) {
  28. 		for (int j = i + 1; j < sz; j++) {
  29. 			int fr = min(cc[i], cc[j]);
  30. 			int sc = max(cc[i], cc[j]);
  31. 			mp[{fr, sc}]++;
  32. 		}
  33. 	}
  34. }
  35.  
  36. void dfs(int node, int color) {
  37.  
  38. 	cc.push_back(node);
  39. 	vis[node] = 1;
  40. 	for (auto child: adj[color]) {
  41. 		if (!vis[child]) dfs(child,color);
  42. 	}
  43.  
  44. }
  45.  
  46.  
  47. void solve() {
  48. 	cin >> n >> m;
  49. 	vector<int> cols;
  50. 	for (int i =0; i < m;i++) {
  51. 		int a,b,c; cin >> a >> b >> c;
  52. 		adj[c].push_back({a});
  53. 		adj[c].push_back({b});
  54. 	}
  55.  
  56. 	for (int i = 1; i <=n;i++) {
  57. 		for (auto ele:adj[i]) {
  58. 			if (!vis[ele]) {
  59. 				dfs(ele,i);
  60. 				pairs();
  61. 				cc.clear();
  62. 			}
  63. 		}
  64. 		memset(vis,0,sizeof(vis));
  65. 	}
  66.  
  67.  
  68. 	int q; cin >> q;
  69. 	while (q--) {
  70. 		cin >> u >> v;
  71. 		int fr = min(u,v);
  72. 		int sec = max(u,v);
  73. 		cout << mp[{fr,sec}] << endl;
  74.  
  75. 	}
  76.  
  77.  
  78. }
  79.  
  80.  
  81. signed main() {
  82. #ifndef ONLINE_JUDGE
  83. 	freopen("input.txt", "r", stdin);
  84. 	freopen("output.txt", "w", stdout);
  85. #endif
  86. 	fast;
  87.  
  88. 	ll tc{1};
  89. 	// cin >> tc;
  90. 	while (tc--) {
  91. 		solve();
  92. 	}
  93.  
  94. 	return 0;
  95. }
  96.  
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/XlSM1f
language:
C++14 (gcc 8.3)
created:
8 days ago
visibility:
public

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