| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 981316 | 2024-05-13T04:17:26 Z | Amaarsaa | Xylophone (JOI18_xylophone) | C++14 | Compilation error |
0 ms | 0 KB |
#include<bits/stdc++.h>
#include "xylophone.h"
using namespace std;
using ll = long long;
ll a[5002], ans[5002];
/*
ll query(ll l, ll r) {
ll mx, mn;
mx = mn= a[l];
for (int j = l; j <= r; j ++) mx = max(mx, a[j]), mn = min(mn, a[j]);
return mx - mn;
}
*/
void solve(int N) {
ll mid,i, s,x1, x2, p, n = N, lo, hi;
lo = 1;
hi = n;
while (lo < hi) {
mid = (lo + hi)/2;
if ( query(1, mid) == n - 1) hi = mid;
else lo = mid + 1;
}
ans[lo] = n;
ans[lo - 1] = n - query(lo - 1, lo);
for ( i = lo - 2; i >= 1; i --) {
s = query(i, i + 1);
p = query(i, i + 2);
x1 = ans[i + 1] - s;
x2 = ans[i + 1] + s;
if ( max(x1, max(ans[i + 1], ans[i + 2])) - min(x1, min(ans[i + 1], ans[i + 2])) == p) {
ans[i] = x1;
}
if ( max(x2, max(ans[i + 1], ans[i + 2])) - min(x2, min(ans[i + 1], ans[i + 2])) == p) {
ans[i] = x2;
}
}
ans[lo + 1] = n - query(lo, lo + 1);
for ( i = lo + 2; i <= n; i ++) {
s = query(i - 1, i);
p = query(i - 2, i);
x1 = ans[i - 1] - s;
x2 = ans[i - 1] + s;
if ( x1 >= 1 && x1 <= n && max(x1, max(ans[i - 1], ans[i - 2])) - min(x1, min(ans[i - 1], ans[i - 2])) == p) {
ans[i] = x1;
}
if ( x2 >= 1 && x2 <= n && max(x2, max(ans[i - 1], ans[i - 2])) - min(x2, min(ans[i - 1], ans[i - 2])) == p) {
ans[i] = x2;
}
}
for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
}
Compilation message
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:55:33: error: no match for 'operator<<' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'void')
55 | for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
| ~~~~ ^~ ~~~~~~~~~~~~~~~~~
| | |
| | void
| std::ostream {aka std::basic_ostream<char>}
In file included from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/ostream:108:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
108 | operator<<(__ostream_type& (*__pf)(__ostream_type&))
| ^~~~~~~~
/usr/include/c++/10/ostream:108:36: note: no known conversion for argument 1 from 'void' to 'std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&)' {aka 'std::basic_ostream<char>& (*)(std::basic_ostream<char>&)'}
108 | operator<<(__ostream_type& (*__pf)(__ostream_type&))
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/ostream:117:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>; std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]'
117 | operator<<(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/10/ostream:117:32: note: no known conversion for argument 1 from 'void' to 'std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
117 | operator<<(__ios_type& (*__pf)(__ios_type&))
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/10/ostream:127:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
127 | operator<<(ios_base& (*__pf) (ios_base&))
| ^~~~~~~~
/usr/include/c++/10/ostream:127:30: note: no known conversion for argument 1 from 'void' to 'std::ios_base& (*)(std::ios_base&)'
127 | operator<<(ios_base& (*__pf) (ios_base&))
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/10/ostream:166:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
166 | operator<<(long __n)
| ^~~~~~~~
/usr/include/c++/10/ostream:166:23: note: no known conversion for argument 1 from 'void' to 'long int'
166 | operator<<(long __n)
| ~~~~~^~~
/usr/include/c++/10/ostream:170:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
170 | operator<<(unsigned long __n)
| ^~~~~~~~
/usr/include/c++/10/ostream:170:32: note: no known conversion for argument 1 from 'void' to 'long unsigned int'
170 | operator<<(unsigned long __n)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/ostream:174:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
174 | operator<<(bool __n)
| ^~~~~~~~
/usr/include/c++/10/ostream:174:23: note: no known conversion for argument 1 from 'void' to 'bool'
174 | operator<<(bool __n)
| ~~~~~^~~
In file included from /usr/include/c++/10/ostream:784,
from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/bits/ostream.tcc:91:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits<char>]'
91 | basic_ostream<_CharT, _Traits>::
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/ostream.tcc:92:22: note: no known conversion for argument 1 from 'void' to 'short int'
92 | operator<<(short __n)
| ~~~~~~^~~
In file included from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/ostream:181:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
181 | operator<<(unsigned short __n)
| ^~~~~~~~
/usr/include/c++/10/ostream:181:33: note: no known conversion for argument 1 from 'void' to 'short unsigned int'
181 | operator<<(unsigned short __n)
| ~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/10/ostream:784,
from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/bits/ostream.tcc:105:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits<char>]'
105 | basic_ostream<_CharT, _Traits>::
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/ostream.tcc:106:20: note: no known conversion for argument 1 from 'void' to 'int'
106 | operator<<(int __n)
| ~~~~^~~
In file included from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/ostream:192:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
192 | operator<<(unsigned int __n)
| ^~~~~~~~
/usr/include/c++/10/ostream:192:31: note: no known conversion for argument 1 from 'void' to 'unsigned int'
192 | operator<<(unsigned int __n)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/10/ostream:201:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
201 | operator<<(long long __n)
| ^~~~~~~~
/usr/include/c++/10/ostream:201:28: note: no known conversion for argument 1 from 'void' to 'long long int'
201 | operator<<(long long __n)
| ~~~~~~~~~~^~~
/usr/include/c++/10/ostream:205:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
205 | operator<<(unsigned long long __n)
| ^~~~~~~~
/usr/include/c++/10/ostream:205:37: note: no known conversion for argument 1 from 'void' to 'long long unsigned int'
205 | operator<<(unsigned long long __n)
| ~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/ostream:220:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
220 | operator<<(double __f)
| ^~~~~~~~
/usr/include/c++/10/ostream:220:25: note: no known conversion for argument 1 from 'void' to 'double'
220 | operator<<(double __f)
| ~~~~~~~^~~
/usr/include/c++/10/ostream:224:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
224 | operator<<(float __f)
| ^~~~~~~~
/usr/include/c++/10/ostream:224:24: note: no known conversion for argument 1 from 'void' to 'float'
224 | operator<<(float __f)
| ~~~~~~^~~
/usr/include/c++/10/ostream:232:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
232 | operator<<(long double __f)
| ^~~~~~~~
/usr/include/c++/10/ostream:232:30: note: no known conversion for argument 1 from 'void' to 'long double'
232 | operator<<(long double __f)
| ~~~~~~~~~~~~^~~
/usr/include/c++/10/ostream:245:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]'
245 | operator<<(const void* __p)
| ^~~~~~~~
/usr/include/c++/10/ostream:245:30: note: no known conversion for argument 1 from 'void' to 'const void*'
245 | operator<<(const void* __p)
| ~~~~~~~~~~~~^~~
In file included from /usr/include/c++/10/ostream:784,
from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/bits/ostream.tcc:119:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]'
119 | basic_ostream<_CharT, _Traits>::
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/ostream.tcc:120:34: note: no known conversion for argument 1 from 'void' to 'std::basic_ostream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
120 | operator<<(__streambuf_type* __sbin)
| ~~~~~~~~~~~~~~~~~~^~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from xylophone.cpp:1:
/usr/include/c++/10/bits/regex.h:1647:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::sub_match<_Bi_iter>&)'
1647 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1647:5: note: template argument deduction/substitution failed:
xylophone.cpp:55:52: note: mismatched types 'const std::__cxx11::sub_match<_Bi_iter>' and 'void'
55 | for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6458:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6458 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6458:5: note: template argument deduction/substitution failed:
xylophone.cpp:55:52: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'void'
55 | for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
| ^
In file included from /usr/include/c++/10/bits/ios_base.h:46,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/system_error:262:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&)'
262 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/10/system_error:262:5: note: template argument deduction/substitution failed:
xylophone.cpp:55:42: note: cannot convert 'answer(((int)ans[i]), ((int)i))' (type 'void') to type 'const std::error_code&'
55 | for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/ostream:506:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT)'
506 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/10/ostream:506:5: note: template argument deduction/substitution failed:
xylophone.cpp:55:52: note: deduced conflicting types for parameter '_CharT' ('char' and 'void')
55 | for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
| ^
In file included from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/ostream:511:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char)'
511 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/10/ostream:511:5: note: template argument deduction/substitution failed:
xylophone.cpp:55:42: note: cannot convert 'answer(((int)ans[i]), ((int)i))' (type 'void') to type 'char'
55 | for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/ostream:517:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char)'
517 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/10/ostream:517:5: note: template argument deduction/substitution failed:
xylophone.cpp:55:42: note: cannot convert 'answer(((int)ans[i]), ((int)i))' (type 'void') to type 'char'
55 | for (i = 1; i <= n; i ++) cout << answer(ans[i], i) << " ";
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/istream:39,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from xylophone.cpp:1:
/usr/include/c++/10/ostream:523:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char)'
523 | operator<<(basic