#pragma GCC optimize("O3")
#pragma GCC target("avx,avx2,sse,sse2,sse3,sse4,popcnt,fma")
#include "bits/stdc++.h"
#define ll long long
using namespace std;
#define check(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename val1>
void __f(const char* name, val1&& value) {
cout << name << " = " << value << endl;
}
template <typename val1, typename... values>
void __f( const char* names, val1&& value, values&&... multiplevalue)
{
const char* comma = strchr( names + 1, ','); cout.write(names, comma - names) << " = " << value << " "; __f(comma + 1, multiplevalue...);
}
int main()
{
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL);
string s;
cin >> s;
map < string , ll> counts;
ll ans = 0;
for(int i= 0;i<s.size();i++){
string made;
for(int j = i;j<s.size();j++){
made += s[j];
counts[made]++;
ans = max(ans , (ll)counts[made] *(ll) made.size());
}
}
cout << ans << endl;
//cerr << "time taken : " << (float)clock() / CLOCKS_PER_SEC << " secs" << "\n";
return 0;
}
Compilation message
palindrome.cpp: In function 'int main()':
palindrome.cpp:28:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | for(int i= 0;i<s.size();i++){
| ~^~~~~~~~~
palindrome.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | for(int j = i;j<s.size();j++){
| ~^~~~~~~~~
palindrome.cpp:20:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
20 | freopen("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
332 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
332 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
332 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
332 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
332 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |