Submission #137488

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
137488	2019-07-28 04:47:13	gs14004	Vim (BOI13_vim)	C++17	100 / 100	175 ms	34920 KiB

vim

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#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pi = pair<int, int>;
const int MAXN = 70005;
int n;
char str[MAXN], buf[MAXN];
int chk[MAXN];
int dp[MAXN][10];
int d2[MAXN][10][10];
int f(int v, int w);
int g(int v, int win, int wout);
int g(int v, int win, int wout){
  if(v == n - 1) return 1e9;
  if(~d2[v][win][wout]) return d2[v][win][wout];
  int ret = 1e9;
  if(win + 'a' == str[v + 1] && wout + 'a' == str[v + 1]){
    for(int i=0; i<10; i++){
      ret = min(ret, f(v + 1, i) + 3);
    }
    for(int i=0; i<10; i++){
      for(int j=0; j<10; j++){
        ret = min(ret, g(v + 1, i, j) + 5);
      }
    }
  }
  else if(win + 'a' == str[v + 1]){
 
 
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Compilation message (stderr)

vim.cpp: In function 'int main()':
vim.cpp:65:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %s",&n,buf);
  ~~~~~^~~~~~~~~~~~~~~~

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