Submission #53482

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
53482	2018-06-30 05:46:36	jwvg0425	Toy Train (IOI17_train)	C++17	100 / 100	3739 ms	1904 KiB

train

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#include "train.h"
#include<cstdio>
#include<algorithm>
#include<vector>
#include<queue>
using namespace std;
 
int n, m, D[5010], U[5010], InQ[5010], C[5010];
vector<int>E[5010], F[5010];
 
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
  n = a.size();
  m = u.size();
  int i, j, k;
  for (i = 0; i < n; i++) {
    if (r[i] == 1)D[i] = 1;
    else D[i] = 0;
  }
  queue<int>Q;
  for (i = 0; i < m; i++) {
    E[u[i]].push_back(v[i]);
    F[v[i]].push_back(u[i]);
  }
  for (i = 0; i < n; i++) {
    if (a[i] == 1) {
      for (auto &t : E[i]) {
        if (D[i] < D[t] + r[i]) {
          Q.push(i);
          InQ[i] = 1;
          break;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:35:8: warning: unused variable 'ck' [-Wunused-variable]
    int ck = 0;
        ^~
train.cpp:110:10: warning: unused variable 'u' [-Wunused-variable]
      int u = D[t];
          ^
train.cpp:14:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j, k;
         ^
train.cpp:14:12: warning: unused variable 'k' [-Wunused-variable]
  int i, j, k;
            ^

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 12 / 12
• Subtask 6: 51 / 51