Submission #544609

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
544609	2022-04-02 13:34:15	rainboy	Vim (BOI13_vim)	C11	100 / 100	41 ms	22520 KiB

vim

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/* upsolve using analysis */
#include <stdio.h>
#include <string.h>
#define N 70000
#define A 10
#define INF 0x3f3f3f3f
int min(int a, int b) { return a < b ? a : b; }
int main() {
  static char cc[N + 1], must[N + 1];
  static int dp[N + 1][A], dq[N + 1][A][A];
  int n, n_, i, a, b, a_, b_, e, ans;
  scanf("%d%s", &n, cc), n = strlen(cc);
  n_ = 0, e = 1, ans = 0;
  for (i = 0; i < n; i++)
    if (cc[i] != 'e') {
      cc[n_] = cc[i], must[n_] = e, n_++;
      e = 0;
    } else {
      ans += n_ == 0 ? 1 : 2;
      e = 1;
    }
  cc[n_++] = 'e';
  n = n_;
  cc[n] = 0;
  for (i = 0; i < n; i++) {
    memset(dp[i], 0x3f, sizeof dp[i]);
 
 
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Compilation message (stderr)

vim.c: In function 'main':
vim.c:16:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |  scanf("%d%s", &n, cc), n = strlen(cc);
      |  ^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50
• Subtask 2: 10 / 10
• Subtask 3: 40 / 40