Submission #245144

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
245144	2020-07-05 15:06:54	m3r8	Toll (BOI17_toll)	C++14	0 / 100	178 ms	69880 KiB

toll

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#include <stdio.h>
#define N 50100
int bst[N][17][5];
int nm[N][17][5];
int adj[N][5];
int k;
int solve(int st, int en){
  int mx = -1;
  if(st == en)return 0;  
  if(st/k == en/k)return -1;
  for(int i = 16;i>=0;i--){
    if(nm[st][i][0]/k <= en/k){
      for(int j = 0;j<k;j++){
        int tmp = solve(nm[st][i][j],en);  
        if(tmp != -1){
          if(bst[st][i][j] != -1){
            if(mx == -1 || mx > bst[st][i][j] + tmp){
              mx = bst[st][i][j] + tmp;  
            };
          };  
        };
      };
      break;
    };
  };
  return mx;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

toll.cpp: In function 'int main()':
toll.cpp:62:8: 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,&o);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
toll.cpp:65:10: 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:76:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&a,&b);
     ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 10
• Subtask 3: 0 / 8
• Subtask 4: 0 / 31
• Subtask 5: 0 / 44