Submission #49105

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
49105	2018-05-22 10:44:41	aome	Tug of War (BOI15_tug)	C++17	100 / 100	647 ms	41368 KiB

tug

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#include <bits/stdc++.h>
using namespace std;
const int N = 30005;
int n, m, sum;
int a[2  * N];
int deg[4 * N];
int par[4 * N];
int b[20 * N];
int f[20 * N];
bool vis[4 * N];
vector<int> G[4 * N];
vector<int> vec[4 * N];
int find(int u) { return u == par[u] ? u : par[u] = find(par[u]); }
void join(int u, int v) { par[find(u)] = find(v); }
void add(int u, int v) {
  // cout << u << ' ' << v << '\n';
  deg[u]++, deg[v]++, G[u].push_back(v), G[v].push_back(u), join(u, v);
}
int main() {
  ios::sync_with_stdio(false);
  cin >> n >> m;
  for (int i = 1; i <= 4 * n; ++i) par[i] = i;
  for (int i = 1; i <= 2 * n; ++i) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

tug.cpp: In function 'int main()':
tug.cpp:39:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (cnt != vec[i].size() * 2) {
       ~~~~^~~~~~~~~~~~~~~~~~~~
tug.cpp:75:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < cir.size(); j += 2) {
                   ~~^~~~~~~~~~~~

• Subtask 1: 18 / 18
• Subtask 2: 30 / 30
• Subtask 3: 23 / 23
• Subtask 4: 29 / 29