Submission #993683

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
993683	2024-06-06 10:07:06	Trisanu_Das	Travelling Trader (CCO23_day2problem2)	C++17	25 / 25	177 ms	44216 KiB

Main

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#include <stdio.h>
#include <stdlib.h>
 
#define N 200000
 
int *ej[N], eo[N], ww[N], n;
 
void append(int i, int j) {
  int o = eo[i]++;
 
  if (o >= 2 && (o & o - 1) == 0)
    ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
  ej[i][o] = j;
}
 
long long dp[N], dq[N], dr[N]; int jjp1[N], jjp2[N], jjp3[N], jjq[N], jjr[N]; char ttq[N], ttr[N];
int qu[N], cnt;
 
void dfs1(int p, int i) {
  int o, j_;
 
  j_ = -1;
  for (o = eo[i]; o--; ) {
    int j = ej[i][o];
 
    if (j != p) {
      dfs1(i, j);
      if (j_ == -1 || dp[j_] < dp[j])
        j_ = j;
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.cpp: In function 'void append(int, int)':
Main.cpp:11:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   11 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~
Main.cpp: In function 'int main()':
Main.cpp:197:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  197 |  scanf("%d%d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:201:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  201 |   scanf("%d%d", &i, &j), i--, j--;
      |   ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:205:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  205 |   scanf("%d", &ww[i]);
      |   ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 7 / 7
• Subtask 3: 3 / 3
• Subtask 4: 4 / 4
• Subtask 5: 4 / 4
• Subtask 6: 5 / 5