Submission #35781

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
35781	2017-11-29 14:42:23	UncleGrandpa925	Synchronization (JOI13_synchronization)	C++14	100 / 100	933 ms	18724 KiB

synchronization

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/*input
5 6 3
1 2
1 3
2 4
2 5
1 2 1 4 4
3 1 4 5
*/
#include <bits/stdc++.h>
using namespace std;
#define sp ' '
#define endl '\n'
#define fi first
#define se second
#define mp make_pair
#define N 100005
#define bit(x,y) ((x>>y)&1LL)
#define na(x) (#x) << ":" << x
ostream& operator << (ostream &os, vector<int>&x) {
  for (int i = 0; i < x.size(); i++) os << x[i] << sp;
  return os;
}
ostream& operator << (ostream &os, pair<int, int> x) {
  cout << x.fi << sp << x.se << sp;
  return os;
}
ostream& operator << (ostream &os, vector<pair<int, int> >&x) {
  for (int i = 0; i < x.size(); i++) os << x[i] << endl;
  return os;
 
 
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Compilation message (stderr)

synchronization.cpp: In function 'std::ostream& operator<<(std::ostream&, std::vector<int>&)':
synchronization.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < x.size(); i++) os << x[i] << sp;
                    ^
synchronization.cpp: In function 'std::ostream& operator<<(std::ostream&, std::vector<std::pair<int, int> >&)':
synchronization.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < x.size(); i++) os << x[i] << endl;
                    ^
synchronization.cpp: In function 'int main()':
synchronization.cpp:98:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &m, &q);
                               ^
synchronization.cpp:101:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int u, v; scanf("%d %d", &u, &v);
                                   ^

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40