Submission #245527

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
245527	2020-07-06 15:37:46	MatesV13	KOVANICE (COI15_kovanice)	C++11	0 / 100	326 ms	43760 KiB

kovanice

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
long long n, m, v; long long val[300005]; int moguce[300005];
vector<int> manji[300005], veci[300005], eq[300005];
bool visited[300005];
void dfs(int idx, vector<int> &ime){
  if (visited[idx]) return;
  visited[idx]=1; ime.push_back(idx);
  for (int i=0; i<eq[idx].size(); i++)
    dfs(eq[idx][i], ime);
  return;
}
void check(int idx){
  if (moguce[idx]) return;
  vector<int> x; dfs(idx, x);
  for (int i=0; i<x.size(); i++)
    moguce[x[i]]=1; 
  vector<int> y;
  for (int i=0; i<x.size(); i++)
    for (int j=0; j<veci[x[i]].size(); j++)
      dfs(veci[x[i]][j], y);
  for (int i=0; i<y.size(); i++)
    visited[y[i]]=0;
  for (int i=0; i<y.size(); i++)
    check(y[i]);
  return;
} 
void solve(int idx){
  if (val[idx]) return;
  vector<int> x; dfs(idx, x); vector<int> y;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

kovanice.cpp: In function 'void dfs(int, std::vector<int>&)':
kovanice.cpp:9:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<eq[idx].size(); i++)
                ~^~~~~~~~~~~~~~~
kovanice.cpp: In function 'void check(int)':
kovanice.cpp:16:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<x.size(); i++)
                ~^~~~~~~~~
kovanice.cpp:19:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<x.size(); i++)
                ~^~~~~~~~~
kovanice.cpp:20:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j=0; j<veci[x[i]].size(); j++)
                 ~^~~~~~~~~~~~~~~~~~
kovanice.cpp:22:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<y.size(); i++)
                ~^~~~~~~~~
kovanice.cpp:24:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<y.size(); i++)
                ~^~~~~~~~~
kovanice.cpp: In function 'void solve(int)':
kovanice.cpp:31:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<x.size(); i++)
                ~^~~~~~~~~
kovanice.cpp:32:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j=0; j<veci[x[i]].size(); j++)
                 ~^~~~~~~~~~~~~~~~~~
kovanice.cpp:34:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<y.size(); i++)
                ~^~~~~~~~~
kovanice.cpp:36:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<y.size(); i++)
                ~^~~~~~~~~
kovanice.cpp:39:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<y.size(); i++)
                ~^~~~~~~~~
kovanice.cpp:41:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<x.size(); i++)
                ~^~~~~~~~~
kovanice.cpp: In function 'int main()':
kovanice.cpp:53:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<s.size(); i++){
                ~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 10
• Subtask 4: 0 / 40