| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 309865 | 2020-10-04T18:57:12 Z | peuch | Palindromic Partitions (CEOI17_palindromic) | C++17 | Compilation error |
0 ms | 0 KB |
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 1e6 + 10;
int t;
int n;
string st1;
int cnt;
map<pair<int, int>, int> marc;
int main(){
scanf("%d", &t);
while(t--){
cin >> st1;
n = st1.size();
string aux1 = "";
string aux2 = "";
int ans = 0;
cnt = 0;
marc.clear();
for(int i = 0; i < n / 2; i++){
aux1 += st1[i];
aux2 = st1[n - i - 1] + aux2;
if(marc[aux1] == 0) marc[aux1] = ++cnt;
if(marc[aux2] == 0) marc[aux2] = ++cnt;
if(marc[aux1] == marc[aux2]) {
ans += 2;
aux1 = "";
aux2 = "";
}
}
if(n % 2 == 1) ans++;
else if(aux1.size() != 0) ans++;
printf("%d\n", ans);
}
}
Compilation message
palindromic.cpp: In function 'int main()':
palindromic.cpp:26:11: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
26 | if(marc[aux1] == 0) marc[aux1] = ++cnt;
| ^
In file included from /usr/include/c++/9/map:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
from palindromic.cpp:1:
/usr/include/c++/9/bits/stl_map.h:490:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
490 | operator[](const key_type& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:490:34: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const key_type&' {aka 'const std::pair<int, int>&'}
490 | operator[](const key_type& __k)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_map.h:510:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
510 | operator[](key_type&& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:510:29: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'std::map<std::pair<int, int>, int>::key_type&&' {aka 'std::pair<int, int>&&'}
510 | operator[](key_type&& __k)
| ~~~~~~~~~~~^~~
palindromic.cpp:26:28: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
26 | if(marc[aux1] == 0) marc[aux1] = ++cnt;
| ^
In file included from /usr/include/c++/9/map:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
from palindromic.cpp:1:
/usr/include/c++/9/bits/stl_map.h:490:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
490 | operator[](const key_type& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:490:34: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const key_type&' {aka 'const std::pair<int, int>&'}
490 | operator[](const key_type& __k)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_map.h:510:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
510 | operator[](key_type&& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:510:29: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'std::map<std::pair<int, int>, int>::key_type&&' {aka 'std::pair<int, int>&&'}
510 | operator[](key_type&& __k)
| ~~~~~~~~~~~^~~
palindromic.cpp:27:11: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
27 | if(marc[aux2] == 0) marc[aux2] = ++cnt;
| ^
In file included from /usr/include/c++/9/map:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
from palindromic.cpp:1:
/usr/include/c++/9/bits/stl_map.h:490:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
490 | operator[](const key_type& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:490:34: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const key_type&' {aka 'const std::pair<int, int>&'}
490 | operator[](const key_type& __k)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_map.h:510:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
510 | operator[](key_type&& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:510:29: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'std::map<std::pair<int, int>, int>::key_type&&' {aka 'std::pair<int, int>&&'}
510 | operator[](key_type&& __k)
| ~~~~~~~~~~~^~~
palindromic.cpp:27:28: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
27 | if(marc[aux2] == 0) marc[aux2] = ++cnt;
| ^
In file included from /usr/include/c++/9/map:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
from palindromic.cpp:1:
/usr/include/c++/9/bits/stl_map.h:490:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
490 | operator[](const key_type& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:490:34: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const key_type&' {aka 'const std::pair<int, int>&'}
490 | operator[](const key_type& __k)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_map.h:510:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
510 | operator[](key_type&& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:510:29: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'std::map<std::pair<int, int>, int>::key_type&&' {aka 'std::pair<int, int>&&'}
510 | operator[](key_type&& __k)
| ~~~~~~~~~~~^~~
palindromic.cpp:28:11: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
28 | if(marc[aux1] == marc[aux2]) {
| ^
In file included from /usr/include/c++/9/map:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
from palindromic.cpp:1:
/usr/include/c++/9/bits/stl_map.h:490:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
490 | operator[](const key_type& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:490:34: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const key_type&' {aka 'const std::pair<int, int>&'}
490 | operator[](const key_type& __k)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_map.h:510:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
510 | operator[](key_type&& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:510:29: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'std::map<std::pair<int, int>, int>::key_type&&' {aka 'std::pair<int, int>&&'}
510 | operator[](key_type&& __k)
| ~~~~~~~~~~~^~~
palindromic.cpp:28:25: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
28 | if(marc[aux1] == marc[aux2]) {
| ^
In file included from /usr/include/c++/9/map:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
from palindromic.cpp:1:
/usr/include/c++/9/bits/stl_map.h:490:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
490 | operator[](const key_type& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:490:34: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const key_type&' {aka 'const std::pair<int, int>&'}
490 | operator[](const key_type& __k)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_map.h:510:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]'
510 | operator[](key_type&& __k)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_map.h:510:29: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'std::map<std::pair<int, int>, int>::key_type&&' {aka 'std::pair<int, int>&&'}
510 | operator[](key_type&& __k)
| ~~~~~~~~~~~^~~
palindromic.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
14 | scanf("%d", &t);
| ~~~~~^~~~~~~~~~