Submission #134255

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
134255	2019-07-22 09:54:15	Kastanda	Toll (BOI17_toll)	C++11	100 / 100	169 ms	63632 KiB

toll

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#include<bits/stdc++.h>
#define pb push_back
#define x first
#define y second
using namespace std;
const int N = 150005, K = 6, LG = 17;
int n, m, k, q, P[LG][N][K];
int main()
{
  memset(P, 63, sizeof(P));
  scanf("%d%d%d%d", &k, &n, &m, &q);
  for (int i = 1; i <= m; i++)
  {
    int a, b, t;
    scanf("%d%d%d", &a, &b, &t);
    P[0][a][b % k] = min(P[0][a][b % k], t);
  }
  int pw = 1;
  for (int i = 1; i < LG; i++)
  {
    if (pw * k >= n)
      break;
    for (int j = 0; j < n; j++)
      for (int h = 0; h < k; h++)
        for (int md = 0; md < k; md++)
          P[i][j][h] = min(P[i][j][h], P[i - 1][j][md] + P[i - 1][(j / k + pw) * k + md][h]);
    pw <<= 1;
  }
  for (; q; q --)
  {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

toll.cpp: In function 'int main()':
toll.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d", &k, &n, &m, &q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
toll.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &a, &b, &t);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
toll.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &a, &b);
   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 10 / 10
• Subtask 3: 8 / 8
• Subtask 4: 31 / 31
• Subtask 5: 44 / 44