| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 217431 |
2020-03-29T15:43:30 Z |
pit4h |
Lamps (JOI19_lamps) |
C++14 |
|
323 ms |
4556 KB |
#include<bits/stdc++.h>
using namespace std;
int dp[2][4][4][4], dp1[2][4], dp2[2][4][4];
int main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int n;
string s, t;
cin>>n>>s>>t;
for(int i=0; i<=1; ++i) {
for(int a=0; a<=3; ++a) {
for(int b=0; b<=3; ++b) {
for(int c=0; c<=3; ++c) {
dp[i][a][b][c] = n;
}
}
}
}
dp[0][0][0][0]=0;
for(int a=1; a<=3; ++a) {
dp1[0][a]=n;
for(int b=1; b<=3; ++b) {
dp2[0][a][b]=n;
}
}
for(int i=1; i<=n; ++i) {
int v1 = n;
for(int a=0; a<=3; ++a) {
for(int b=0; b<=3; ++b) {
for(int c=0; c<=3; ++c) {
dp[i%2][a][b][c]=n;
v1 = min(v1, dp[(i+1)%2][a][b][c]);
}
}
}
if(s[i-1]==t[i-1]) {
dp[i%2][0][0][0] = v1;
}
for(int a=1; a<=3; ++a) {
if((a==1 && t[i-1]=='0') || (a==2 && t[i-1]=='1') || (a==3 && s[i-1]!=t[i-1])) {
dp[i%2][a][0][0] = min(v1+1, dp1[(i+1)%2][a]);
}
for(int b=1; b<=3; ++b) {
if(b==a) continue;
if((a==1 && t[i-1]=='0') || (a==2 && t[i-1]=='1') || (a==3 && ((b==1 && t[i-1]=='1') || (b==2 && t[i-1]=='0')))) {
dp[i%2][a][b][0] = min(v1+2, min(dp1[(i+1)%2][a], dp1[(i+1)%2][b])+1);
dp[i%2][a][b][0] = min(dp[i%2][a][b][0], dp2[(i+1)%2][a][b]);
}
else {
continue;
}
for(int c=1; c<=3; ++c) {
if(c==a || c==b) continue;
dp[i%2][a][b][c] = min(v1+3, min(dp1[(i+1)%2][a], min(dp1[(i+1)%2][b], dp1[(i+1)%2][c]))+2);
dp[i%2][a][b][c] = min(dp[i%2][a][b][c], min(dp2[(i+1)%2][a][b], min(dp2[(i+1)%2][a][c], dp2[(i+1)%2][b][c]))+1);
dp[i%2][a][b][c] = min(dp[i%2][a][b][c], dp[(i+1)%2][a][b][c]);
}
}
}
for(int a=1; a<=3; ++a) {
dp1[i%2][a]=n;
for(int j=0; j<=3; ++j) {
for(int k=0; k<=3; ++k) {
dp1[i%2][a] = min(dp1[i%2][a], dp[i%2][a][j][k]);
dp1[i%2][a] = min(dp1[i%2][a], dp[i%2][j][a][k]);
dp1[i%2][a] = min(dp1[i%2][a], dp[i%2][j][k][a]);
}
}
for(int b=1; b<=3; ++b) {
dp2[i%2][a][b]=n;
for(int j=0; j<=3; ++j) {
dp2[i%2][a][b] = min(dp2[i%2][a][b], dp[i%2][a][b][j]);
dp2[i%2][a][b] = min(dp2[i%2][a][b], dp[i%2][j][a][b]);
}
}
}
}
int ans = n;
for(int a=0; a<=3; ++a) {
for(int b=0; b<=3; ++b) {
for(int c=0; c<=3; ++c) {
ans = min(ans, dp[n%2][a][b][c]);
}
}
}
cout<<ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
4 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
4 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
4 ms |
384 KB |
Output is correct |
| 22 |
Correct |
6 ms |
384 KB |
Output is correct |
| 23 |
Correct |
4 ms |
384 KB |
Output is correct |
| 24 |
Correct |
4 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
4 ms |
384 KB |
Output is correct |
| 27 |
Correct |
4 ms |
384 KB |
Output is correct |
| 28 |
Correct |
4 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
4 ms |
384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
384 KB |
Output is correct |
| 33 |
Correct |
4 ms |
384 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
4 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
4 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
4 ms |
384 KB |
Output is correct |
| 22 |
Correct |
6 ms |
384 KB |
Output is correct |
| 23 |
Correct |
4 ms |
384 KB |
Output is correct |
| 24 |
Correct |
4 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
4 ms |
384 KB |
Output is correct |
| 27 |
Correct |
4 ms |
384 KB |
Output is correct |
| 28 |
Correct |
4 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
4 ms |
384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
384 KB |
Output is correct |
| 33 |
Correct |
4 ms |
384 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| 36 |
Correct |
5 ms |
384 KB |
Output is correct |
| 37 |
Correct |
5 ms |
384 KB |
Output is correct |
| 38 |
Correct |
5 ms |
384 KB |
Output is correct |
| 39 |
Correct |
6 ms |
384 KB |
Output is correct |
| 40 |
Correct |
5 ms |
384 KB |
Output is correct |
| 41 |
Correct |
6 ms |
384 KB |
Output is correct |
| 42 |
Correct |
5 ms |
384 KB |
Output is correct |
| 43 |
Correct |
5 ms |
384 KB |
Output is correct |
| 44 |
Correct |
5 ms |
384 KB |
Output is correct |
| 45 |
Correct |
5 ms |
384 KB |
Output is correct |
| 46 |
Correct |
5 ms |
384 KB |
Output is correct |
| 47 |
Correct |
5 ms |
384 KB |
Output is correct |
| 48 |
Correct |
5 ms |
384 KB |
Output is correct |
| 49 |
Correct |
5 ms |
384 KB |
Output is correct |
| 50 |
Correct |
6 ms |
384 KB |
Output is correct |
| 51 |
Correct |
5 ms |
512 KB |
Output is correct |
| 52 |
Correct |
6 ms |
384 KB |
Output is correct |
| 53 |
Correct |
5 ms |
384 KB |
Output is correct |
| 54 |
Correct |
5 ms |
384 KB |
Output is correct |
| 55 |
Correct |
5 ms |
384 KB |
Output is correct |
| 56 |
Correct |
5 ms |
384 KB |
Output is correct |
| 57 |
Correct |
5 ms |
384 KB |
Output is correct |
| 58 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
4 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
290 ms |
4380 KB |
Output is correct |
| 8 |
Correct |
298 ms |
4380 KB |
Output is correct |
| 9 |
Correct |
302 ms |
4508 KB |
Output is correct |
| 10 |
Correct |
296 ms |
4380 KB |
Output is correct |
| 11 |
Correct |
303 ms |
4508 KB |
Output is correct |
| 12 |
Correct |
289 ms |
4380 KB |
Output is correct |
| 13 |
Correct |
291 ms |
4380 KB |
Output is correct |
| 14 |
Correct |
291 ms |
4380 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
4 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
4 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
4 ms |
384 KB |
Output is correct |
| 22 |
Correct |
6 ms |
384 KB |
Output is correct |
| 23 |
Correct |
4 ms |
384 KB |
Output is correct |
| 24 |
Correct |
4 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
4 ms |
384 KB |
Output is correct |
| 27 |
Correct |
4 ms |
384 KB |
Output is correct |
| 28 |
Correct |
4 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
4 ms |
384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
384 KB |
Output is correct |
| 33 |
Correct |
4 ms |
384 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| 36 |
Correct |
5 ms |
384 KB |
Output is correct |
| 37 |
Correct |
5 ms |
384 KB |
Output is correct |
| 38 |
Correct |
5 ms |
384 KB |
Output is correct |
| 39 |
Correct |
6 ms |
384 KB |
Output is correct |
| 40 |
Correct |
5 ms |
384 KB |
Output is correct |
| 41 |
Correct |
6 ms |
384 KB |
Output is correct |
| 42 |
Correct |
5 ms |
384 KB |
Output is correct |
| 43 |
Correct |
5 ms |
384 KB |
Output is correct |
| 44 |
Correct |
5 ms |
384 KB |
Output is correct |
| 45 |
Correct |
5 ms |
384 KB |
Output is correct |
| 46 |
Correct |
5 ms |
384 KB |
Output is correct |
| 47 |
Correct |
5 ms |
384 KB |
Output is correct |
| 48 |
Correct |
5 ms |
384 KB |
Output is correct |
| 49 |
Correct |
5 ms |
384 KB |
Output is correct |
| 50 |
Correct |
6 ms |
384 KB |
Output is correct |
| 51 |
Correct |
5 ms |
512 KB |
Output is correct |
| 52 |
Correct |
6 ms |
384 KB |
Output is correct |
| 53 |
Correct |
5 ms |
384 KB |
Output is correct |
| 54 |
Correct |
5 ms |
384 KB |
Output is correct |
| 55 |
Correct |
5 ms |
384 KB |
Output is correct |
| 56 |
Correct |
5 ms |
384 KB |
Output is correct |
| 57 |
Correct |
5 ms |
384 KB |
Output is correct |
| 58 |
Correct |
5 ms |
384 KB |
Output is correct |
| 59 |
Correct |
4 ms |
384 KB |
Output is correct |
| 60 |
Correct |
4 ms |
384 KB |
Output is correct |
| 61 |
Correct |
4 ms |
384 KB |
Output is correct |
| 62 |
Correct |
4 ms |
384 KB |
Output is correct |
| 63 |
Correct |
4 ms |
384 KB |
Output is correct |
| 64 |
Correct |
5 ms |
384 KB |
Output is correct |
| 65 |
Correct |
290 ms |
4380 KB |
Output is correct |
| 66 |
Correct |
298 ms |
4380 KB |
Output is correct |
| 67 |
Correct |
302 ms |
4508 KB |
Output is correct |
| 68 |
Correct |
296 ms |
4380 KB |
Output is correct |
| 69 |
Correct |
303 ms |
4508 KB |
Output is correct |
| 70 |
Correct |
289 ms |
4380 KB |
Output is correct |
| 71 |
Correct |
291 ms |
4380 KB |
Output is correct |
| 72 |
Correct |
291 ms |
4380 KB |
Output is correct |
| 73 |
Correct |
314 ms |
4556 KB |
Output is correct |
| 74 |
Correct |
297 ms |
4436 KB |
Output is correct |
| 75 |
Correct |
303 ms |
4436 KB |
Output is correct |
| 76 |
Correct |
304 ms |
4552 KB |
Output is correct |
| 77 |
Correct |
297 ms |
4436 KB |
Output is correct |
| 78 |
Correct |
304 ms |
4436 KB |
Output is correct |
| 79 |
Correct |
297 ms |
4436 KB |
Output is correct |
| 80 |
Correct |
312 ms |
4552 KB |
Output is correct |
| 81 |
Correct |
297 ms |
4508 KB |
Output is correct |
| 82 |
Correct |
297 ms |
4552 KB |
Output is correct |
| 83 |
Correct |
305 ms |
4548 KB |
Output is correct |
| 84 |
Correct |
301 ms |
4508 KB |
Output is correct |
| 85 |
Correct |
303 ms |
4548 KB |
Output is correct |
| 86 |
Correct |
306 ms |
4508 KB |
Output is correct |
| 87 |
Correct |
304 ms |
4548 KB |
Output is correct |
| 88 |
Correct |
306 ms |
4548 KB |
Output is correct |
| 89 |
Correct |
298 ms |
4436 KB |
Output is correct |
| 90 |
Correct |
306 ms |
4444 KB |
Output is correct |
| 91 |
Correct |
305 ms |
4436 KB |
Output is correct |
| 92 |
Correct |
311 ms |
4436 KB |
Output is correct |
| 93 |
Correct |
320 ms |
4448 KB |
Output is correct |
| 94 |
Correct |
312 ms |
4436 KB |
Output is correct |
| 95 |
Correct |
323 ms |
4436 KB |
Output is correct |
| 96 |
Correct |
318 ms |
4436 KB |
Output is correct |
| 97 |
Correct |
314 ms |
4552 KB |
Output is correct |
| 98 |
Correct |
321 ms |
4508 KB |
Output is correct |
| 99 |
Correct |
311 ms |
4436 KB |
Output is correct |
| 100 |
Correct |
310 ms |
4436 KB |
Output is correct |
| 101 |
Correct |
312 ms |
4436 KB |
Output is correct |
| 102 |
Correct |
319 ms |
4556 KB |
Output is correct |
