Submission #36032

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
36032	2017-12-04 09:36:51	funcsr	Pipes (CEOI15_pipes)	C++14	100 / 100	448 ms	14872 KiB

pipes

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#include <bitset>
#include <cassert>
#include <vector>
#include <tuple>
#define rep(i, n) for (int i=0; i<(n); i++)
#define INF 1145141919
#define pb push_back
#define _1 first
#define _2 second
using namespace std;
typedef pair<int, int> P;
struct UnionFind {
  int U[100000], R[100000];
  UnionFind(int N) {
    rep(i, N) U[i] = i, R[i] = 1;
  }
  int find(int x) {
    if (U[x] == x) return x;
    return U[x] = find(U[x]);
  }
  void unite(int x, int y) {
    x = find(x), y = find(y);
    if (x == y) return;
    if (R[x] < R[y]) swap(x, y);
    U[y] = x;
    R[x] += R[y];
  }
  bool same(int x, int y) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pipes.cpp: In function 'int main()':
pipes.cpp:77:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d\n", &N, &M);
   ~~~~~^~~~~~~~~~~~~~~~~~
pipes.cpp: In function 'P read2()':
pipes.cpp:68:8: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   fgets(f, 15, stdin);
   ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10