#include <bits/stdc++.h>
using namespace std;
const int N = 300 + 5, INF = 1e9 + 5;
int n, m, prv[N], cur[N], ans;
string a, b;
int main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);
cin >> n >> m;
cin >> a >> b;
fill(prv, prv + n, INF);
for(int i = 0; i < n; i++) if(a[i] == b[0]) prv[i] = 0;
for(int c = 1; c < m; c++){
fill(cur, cur + n, INF);
for(int i = 0; i < n; i++){
if(a[i] == b[c]){
for(int j = i - 1; j >= 0; j--){
if(a[j] == b[c - 1]){
cur[i] = min(cur[i], prv[j] + (i - j));
break;
}
}
for(int j = i + 1; j < n; j++){
if(a[j] == b[c - 1]){
cur[i] = min(cur[i], prv[j] + (j - i));
break;
}
}
}
}
copy(cur, cur + n, prv);
}
ans = *min_element(prv, prv + n);
cout << (ans == INF ? -1 : ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
316 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |