/**
00 00 11 00 00 111111 00000 111111 000000
00 00 1111 0000 11 00 11 11 000000
0000 11 11 00 11 00000 111111 00
00 00 11111111 0000 11 00 11 11 00
00 00 11 11 00 00 111111 00000 11 11 00
**/
#include<bits/stdc++.h>
using namespace std;
#define fto(i, a, b) for(int i = a; i <= b; ++i)
#define fdto(i, a, b) for(int i = a; i >= b; --i)
#define bugarr(a, i, j) cout << #a << "{" << i << "..." << j << "}:"; fto(k, i, j-1) cout << a[k] << ", "; cout << a[j] << endl;
#define ll long long
#define db double
#define ldb long double
#define ii pair<int, int>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define vt vector
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define trav(i, a) for(auto &i : a)
#define sz(a) (int)a.size()
#define pi(a, b) pair<a, b>
#define fast ios::sync_with_stdio(false); cin.tie(0)
void print(int x) {cout << x;}
void print(long long x) {cout << x;}
void print(unsigned x) {cout << x;}
void print(unsigned long long x) {cout << x;}
void print(double x) {cout << fixed << x;}
void print(long double x) {cout << fixed << x;}
void print(char x) {cout << "'" << x << "'";}
void print(string x) {cout << '"' << x << '"';}
void print(bool x) {cout << (x ? "true" : "false");}
template<typename T, typename V>
void print(const pair<T, V> &x) {cout << '{'; print(x.ff); cout << ", "; print(x.ss); cout << '}';}
template<typename T>
void print(const T &x) {int f = 0; cout << '{'; for (auto &i: x) cout << (f++ ? ", " : ""), print(i); cout << "}";}
void _print() {cout << "]" << endl;}
template <typename T, typename... V>
void _print(T t, V... v) {print(t); if (sizeof...(v)) cout << ", "; _print(v...);}
#ifdef TAP
#define bug(x...) cout << "[" << #x << "] = ["; _print(x)
#else
#define bug(x...)
#endif
void setIO(string s) {
if (sz(s) != 0) {
freopen((s+".inp").c_str(),"r",stdin);
freopen((s+".out").c_str(),"w",stdout);
}
}
void setIOusaco(string s) {
if (sz(s) != 0) {
freopen((s+".in").c_str(),"r",stdin);
freopen((s+".out").c_str(),"w",stdout);
}
}
template<typename T, typename V>
bool ckmin(T &a, V b) {return (b < a)? a = b, true : false;}
template<typename T, typename V>
bool ckmax(T &a, V b) {return (b > a)? a = b, true : false;}
int lcs(string a, string b) {
b += b;
int res = 0;
fto(j, 0, sz(b)/2 - 1) {
vt<vt<int> > f(sz(a)+1, vt<int>(sz(b)+1, 0));
fto(i, 0, sz(a)-1) {
fto(k, 0, sz(b)/2 - 1) {
if (a[i] == b[k+j]) f[i+1][k+1] = f[i][k]+1;
else f[i+1][k+1] = max(f[i+1][k], f[i][k+1]);
}
res = max(res, f[sz(a)][sz(b)/2]);
}
}
return res;
}
int main() {
#ifndef TAP
//setIO("roundword2013");
//setIOusaco("roundword2013");
#endif
fast;
string s, t;
cin >> s >> t;
int ans1 = lcs(s, t);
reverse(all(t));
int ans2 = lcs(s, t);
cout << max(ans1, ans2) << '\n';
return 0;
}
Compilation message
rowords.cpp: In function 'void setIO(std::string)':
rowords.cpp:59:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
59 | freopen((s+".inp").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rowords.cpp:60:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
60 | freopen((s+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rowords.cpp: In function 'void setIOusaco(std::string)':
rowords.cpp:66:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
66 | freopen((s+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rowords.cpp:67:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
67 | freopen((s+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
100 ms |
1132 KB |
Output is correct |
| 7 |
Execution timed out |
2080 ms |
8428 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2085 ms |
8440 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2037 ms |
8420 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2078 ms |
8552 KB |
Time limit exceeded |
| 11 |
Execution timed out |
2085 ms |
9148 KB |
Time limit exceeded |
| 12 |
Execution timed out |
2077 ms |
10764 KB |
Time limit exceeded |
| 13 |
Execution timed out |
2087 ms |
10572 KB |
Time limit exceeded |
| 14 |
Execution timed out |
2086 ms |
9500 KB |
Time limit exceeded |
| 15 |
Execution timed out |
2086 ms |
11252 KB |
Time limit exceeded |
| 16 |
Execution timed out |
2081 ms |
9224 KB |
Time limit exceeded |
| 17 |
Execution timed out |
2085 ms |
7088 KB |
Time limit exceeded |
| 18 |
Execution timed out |
2087 ms |
10820 KB |
Time limit exceeded |
| 19 |
Execution timed out |
2084 ms |
8416 KB |
Time limit exceeded |
| 20 |
Execution timed out |
2082 ms |
9672 KB |
Time limit exceeded |
| 21 |
Correct |
366 ms |
2680 KB |
Output is correct |
| 22 |
Correct |
1091 ms |
4364 KB |
Output is correct |
| 23 |
Execution timed out |
2087 ms |
5616 KB |
Time limit exceeded |
| 24 |
Execution timed out |
2086 ms |
5980 KB |
Time limit exceeded |
| 25 |
Execution timed out |
2086 ms |
7640 KB |
Time limit exceeded |
