Submission #392460

#	Time	Username	Problem	Language	Result	Execution time	Memory
392460		my99n	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	1 ms	304 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

int cwtour[1000100], cwwtour[1000100];
long long delivery(int N, int K, int L, int p[]) {
  int dis = 0, h;
  for (int i = 0; i < N; i++) {
    dis += p[i];
    if (dis >= L/2) h=i;
  }
  for (int i = 1; i <= N; i++) cwtour[i] = p[i-1] + cwtour[max(0,i-K)];
  for (int i = N; i >= 1; i--) cwwtour[i] = L-p[i-1] + cwwtour[i+K>N?0:i+K];

  for (int i = 1; i <= N; i++) cout << cwtour[i] << ' '; cerr << endl;
  for (int i = 1; i <= N; i++) cout << cwwtour[i] << ' '; cerr << endl;


  int ans = 1e9;
  for (int i = 1; i <= N; i++) {
    if (i+1 <= N)
    ans = min(ans, 2*cwtour[i]+2*cwwtour[i+1]);
    if (i+K+1 <= N)
    ans = min(ans, 2*cwtour[i]+2*cwwtour[i+K+1]+L);
  }
  return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:15:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   15 |   for (int i = 1; i <= N; i++) cout << cwtour[i] << ' '; cerr << endl;
      |   ^~~
boxes.cpp:15:58: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   15 |   for (int i = 1; i <= N; i++) cout << cwtour[i] << ' '; cerr << endl;
      |                                                          ^~~~
boxes.cpp:16:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   16 |   for (int i = 1; i <= N; i++) cout << cwwtour[i] << ' '; cerr << endl;
      |   ^~~
boxes.cpp:16:59: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   16 |   for (int i = 1; i <= N; i++) cout << cwwtour[i] << ' '; cerr << endl;
      |                                                           ^~~~
boxes.cpp:7:16: warning: variable 'h' set but not used [-Wunused-but-set-variable]
    7 |   int dis = 0, h;
      |                ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30