Submission #112270

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
112270	2019-05-18 08:36:24	gs14004	Lamps (JOI19_lamps)	C++17	100 / 100	88 ms	23928 KiB

lamp

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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1000005;
using pi = pair<int, int>;
int n;
char s[MAXN], t[MAXN];
int dp[MAXN][5];
int getCost(int x, int p){
  char c = x + '0';
  if(c == '2') c = s[p];
  return c != t[p];
}
int moveCost(int p1, int p2, int x1, int x2){ 
  x1 /= 2, x2 /= 2;
  int arg1 = getCost(x1, p1) != getCost(x2, p2);
  int arg2 = x1 != x2;
  return arg1 + arg2;
}
int adj[5][5] = {
  {1, 0, 1, 0, 1},
  {0, 1, 0, 1, 1},
  {1, 0, 1, 0, 1},
  {0, 1, 0, 1, 1},
  {1, 0, 0, 1, 1}};
int main(){
 
 
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Compilation message (stderr)

lamp.cpp: In function 'int main()':
lamp.cpp:31:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %s %s",&n,s+1,t+1);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 41 / 41
• Subtask 3: 4 / 4
• Subtask 4: 49 / 49