# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1083243 | 2024-09-02 19:13:29 | Math4Life2020 | Ancient Books (IOI17_books) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
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// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
using namespace std;
using ll = long long; using pii = pair<ll,ll>;
int triv(int N1) {
for (ll i=0;i<N1;i++) {
int a0* = ask((int)i);
if ((a0[0]+a0[1])==0) {
return i;
}
}
return -1;
}
map<ll,pii> pts;
ll N;
ll gm;
ll ans = -1;
vector<bool> asked;
ll process(ll x) {
if (!asked[x]) {
int a0* = ask((int)x);
pts[x]={a0[0],a0[1]};
asked[x]=1;
}
ll S = pts[x].first+pts[x].second;
if (S==0) {
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)
books.cpp: In function 'int triv(int)': books.cpp:9:9: error: expected initializer before '*' token 9 | int a0* = ask((int)i); | ^ books.cpp:10:8: error: 'a0' was not declared in this scope; did you mean 'y0'? 10 | if ((a0[0]+a0[1])==0) { | ^~ | y0 books.cpp: In function 'll process(ll)': books.cpp:25:9: error: expected initializer before '*' token 25 | int a0* = ask((int)x); | ^ books.cpp:26:11: error: 'a0' was not declared in this scope; did you mean 'y0'? 26 | pts[x]={a0[0],a0[1]}; | ^~ | y0 books.cpp:26:22: error: no match for 'operator=' (operand types are 'std::map<long long int, std::pair<long long int, long long int> >::mapped_type' {aka 'std::pair<long long int, long long int>'} and '<brace-enclosed initializer list>') 26 | pts[x]={a0[0],a0[1]}; | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from books.cpp:3: /usr/include/c++/10/bits/stl_pair.h:390:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = long long int; _T2 = long long int; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<long long int, long long int>&]' 390 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:393:41: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<long long int, long long int>&, const std::__nonesuch&>::type' {aka 'const std::pair<long long int, long long int>&'} 390 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 391 | __and_<is_copy_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 392 | is_copy_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 393 | const pair&, const __nonesuch&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_pair.h:401:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = long long int; _T2 = long long int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<long long int, long long int>&&]' 401 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:404:31: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<long long int, long long int>&&, std::__nonesuch&&>::type' {aka 'std::pair<long long int, long long int>&&'} 401 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 402 | __and_<is_move_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 403 | is_move_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 404 | pair&&, __nonesuch&&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_pair.h:418:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = long long int]' 418 | operator=(const pair<_U1, _U2>& __p) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:418:2: note: template argument deduction/substitution failed: books.cpp:26:22: note: couldn't deduce template parameter '_U1' 26 | pts[x]={a0[0],a0[1]}; | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from books.cpp:3: /usr/include/c++/10/bits/stl_pair.h:430:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = long long int]' 430 | operator=(pair<_U1, _U2>&& __p) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:430:2: note: template argument deduction/substitution failed: books.cpp:26:22: note: couldn't deduce template parameter '_U1' 26 | pts[x]={a0[0],a0[1]}; | ^ books.cpp: In function 'int find_best(int)': books.cpp:78:9: error: expected initializer before '*' token 78 | int a0* = ask((int)(i*r)); | ^ books.cpp:80:13: error: 'a0' was not declared in this scope; did you mean 'N0'? 80 | pts[i*r]={a0[0],a0[1]}; | ^~ | N0 books.cpp:80:24: error: no match for 'operator=' (operand types are 'std::map<long long int, std::pair<long long int, long long int> >::mapped_type' {aka 'std::pair<long long int, long long int>'} and '<brace-enclosed initializer list>') 80 | pts[i*r]={a0[0],a0[1]}; | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from books.cpp:3: /usr/include/c++/10/bits/stl_pair.h:390:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = long long int; _T2 = long long int; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<long long int, long long int>&]' 390 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:393:41: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<long long int, long long int>&, const std::__nonesuch&>::type' {aka 'const std::pair<long long int, long long int>&'} 390 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 391 | __and_<is_copy_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 392 | is_copy_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 393 | const pair&, const __nonesuch&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_pair.h:401:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = long long int; _T2 = long long int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<long long int, long long int>&&]' 401 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:404:31: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<long long int, long long int>&&, std::__nonesuch&&>::type' {aka 'std::pair<long long int, long long int>&&'} 401 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 402 | __and_<is_move_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 403 | is_move_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 404 | pair&&, __nonesuch&&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_pair.h:418:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = long long int]' 418 | operator=(const pair<_U1, _U2>& __p) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:418:2: note: template argument deduction/substitution failed: books.cpp:80:24: note: couldn't deduce template parameter '_U1' 80 | pts[i*r]={a0[0],a0[1]}; | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from books.cpp:3: /usr/include/c++/10/bits/stl_pair.h:430:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = long long int]' 430 | operator=(pair<_U1, _U2>&& __p) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:430:2: note: template argument deduction/substitution failed: books.cpp:80:24: note: couldn't deduce template parameter '_U1' 80 | pts[i*r]={a0[0],a0[1]}; | ^