| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1011434 | 2024-06-30T13:39:14 Z | Double_Slash | Languages (IOI10_languages) | C++17 | Compilation error |
0 ms | 0 KB |
#include "lang.h"
#include "grader.h"
#include <bits/stdc++.h>
using namespace std;
#define debug(x) [&] { auto _x = x; cerr << __LINE__ << ": " << #x << " = " << _x << endl; return _x; }()
using pint = pair<int, int>;
double magic(double x) {
return abs(x);
}
template <typename T, class Hash, int MAX>
struct Data {
int tot = 0;
unordered_map<T, int, Hash> m;
set<pair<int, T>> inv;
double operator&(const Data<T, Hash, MAX> &o) const {
double ret = 0;
for (auto [k, v]: m) {
ret += magic((double) v / m.tot - (o.count(k) ? (double) o.at(k) / o.tot : 0));
}
for (auto [k, v]: o) {
if (not m.contains(k)) ret += magic((double) v / o.tot);
}
return ret;
}
void operator+=(const Data<T, Hash, MAX> &o) {
for (auto &[k, v]: o) {
inv.erase({m[k], k});
inv.emplace(m[k] += v, k);
}
tot += o.tot;
while (inv.size() > MAX) {
tot -= inv.begin()->first;
m.erase(inv.begin()->second);
inv.erase(inv.begin());
}
}};
auto hash2 = [] (const pint &x) { return x.first << 16ll | x.second; };
auto hash3 = [] (const array<int, 3> &x) { return (x[0] << 32ll) | (x[1] << 16ll) | x[2]; };
struct Profile {
Data<int, hash<int>, 50> sing;
Data<pint, hash2, 150> doub;
Data<array<int, 3>, hash3, 55> trip;
Profile() {}
Profile(int *arr) {
for (int i = 0; i < 100; ++i) {
sing[arr[i]]++;
if (i) doub[{arr[i - 1], arr[i]}]++;
if (i >=2) trip[{arr[i - 2], arr[i - 1], arr[i]}];
}
for (auto [k, v]: doub) doub.inv.emplace(v, k);
sing.tot = 100;
doub.tot = 99;
trip.tot = 98;
}
double operator&(const Profile &o) const {
return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
}
void operator+=(const Profile &o) {
sing += o.sing;
doub += o.doub;
trip += o.trip;
}
} profile[56];
void excerpt(int *E) {
Profile p(E);
pair<double, int> mn{1e18, 0};
for (int i = 0; i < 56; ++i) {
mn = min(mn, {p & profile[i], i});
}
int ans = language(mn.second);
profile[ans] += p;
}
Compilation message
lang.cpp: In lambda function:
lang.cpp:44:57: warning: left shift count >= width of type [-Wshift-count-overflow]
44 | auto hash3 = [] (const array<int, 3> &x) { return (x[0] << 32ll) | (x[1] << 16ll) | x[2]; };
lang.cpp: At global scope:
lang.cpp:48:24: error: type/value mismatch at argument 2 in template parameter list for 'template<class T, class Hash, int MAX> struct Data'
48 | Data<pint, hash2, 150> doub;
| ^
lang.cpp:48:24: note: expected a type, got 'hash2'
lang.cpp:49:32: error: type/value mismatch at argument 2 in template parameter list for 'template<class T, class Hash, int MAX> struct Data'
49 | Data<array<int, 3>, hash3, 55> trip;
| ^
lang.cpp:49:32: note: expected a type, got 'hash3'
lang.cpp: In constructor 'Profile::Profile(int*)':
lang.cpp:55:15: error: no match for 'operator[]' (operand types are 'Data<int, std::hash<int>, 50>' and 'int')
55 | sing[arr[i]]++;
| ^
lang.cpp:56:22: error: invalid types 'int[<brace-enclosed initializer list>]' for array subscript
56 | if (i) doub[{arr[i - 1], arr[i]}]++;
| ^
lang.cpp:57:26: error: invalid types 'int[<brace-enclosed initializer list>]' for array subscript
57 | if (i >=2) trip[{arr[i - 2], arr[i - 1], arr[i]}];
| ^
lang.cpp:59:25: error: 'begin' was not declared in this scope
59 | for (auto [k, v]: doub) doub.inv.emplace(v, k);
| ^~~~
lang.cpp:59:25: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from lang.cpp:3:
/usr/include/c++/10/valarray:1224:5: note: 'std::begin'
1224 | begin(const valarray<_Tp>& __va)
| ^~~~~
In file included from /usr/include/c++/10/filesystem:46,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:129,
from lang.cpp:3:
/usr/include/c++/10/bits/fs_dir.h:549:3: note: 'std::filesystem::__cxx11::begin'
549 | begin(recursive_directory_iterator __iter) noexcept
| ^~~~~
lang.cpp:59:25: error: 'end' was not declared in this scope
59 | for (auto [k, v]: doub) doub.inv.emplace(v, k);
| ^~~~
lang.cpp:59:25: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from lang.cpp:3:
/usr/include/c++/10/valarray:1244:5: note: 'std::end'
1244 | end(const valarray<_Tp>& __va)
| ^~~
In file included from /usr/include/c++/10/filesystem:46,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:129,
from lang.cpp:3:
/usr/include/c++/10/bits/fs_dir.h:554:3: note: 'std::filesystem::__cxx11::end'
554 | end(recursive_directory_iterator) noexcept
| ^~~
lang.cpp:59:36: error: request for member 'inv' in '((Profile*)this)->Profile::doub', which is of non-class type 'int'
59 | for (auto [k, v]: doub) doub.inv.emplace(v, k);
| ^~~
lang.cpp:61:12: error: request for member 'tot' in '((Profile*)this)->Profile::doub', which is of non-class type 'int'
61 | doub.tot = 99;
| ^~~
lang.cpp:62:12: error: request for member 'tot' in '((Profile*)this)->Profile::trip', which is of non-class type 'int'
62 | trip.tot = 98;
| ^~~
lang.cpp: In instantiation of 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]':
lang.cpp:66:20: required from here
lang.cpp:22:32: error: 'const class std::unordered_map<int, int>' has no member named 'tot'
22 | ret += magic((double) v / m.tot - (o.count(k) ? (double) o.at(k) / o.tot : 0));
| ~~^~~
lang.cpp:22:41: error: 'const struct Data<int, std::hash<int>, 50>' has no member named 'count'
22 | ret += magic((double) v / m.tot - (o.count(k) ? (double) o.at(k) / o.tot : 0));
| ~~^~~~~
lang.cpp:22:63: error: 'const struct Data<int, std::hash<int>, 50>' has no member named 'at'
22 | ret += magic((double) v / m.tot - (o.count(k) ? (double) o.at(k) / o.tot : 0));
| ~~^~
lang.cpp:24:3: error: no matching function for call to 'begin(const Data<int, std::hash<int>, 50>&)'
24 | for (auto [k, v]: o) {
| ^~~
In file included from /usr/include/c++/10/bits/range_access.h:36,
from /usr/include/c++/10/string:54,
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 lang.cpp:3:
/usr/include/c++/10/initializer_list:90:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(std::initializer_list<_Tp>)'
90 | begin(initializer_list<_Tp> __ils) noexcept
| ^~~~~
/usr/include/c++/10/initializer_list:90:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: 'Data<int, std::hash<int>, 50>' is not derived from 'std::initializer_list<_Tp>'
24 | for (auto [k, v]: o) {
| ^~~
In file included from /usr/include/c++/10/string:54,
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 lang.cpp:3:
/usr/include/c++/10/bits/range_access.h:51:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&)'
51 | begin(_Container& __cont) -> decltype(__cont.begin())
| ^~~~~
/usr/include/c++/10/bits/range_access.h:51:5: note: template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&) [with _Container = const Data<int, std::hash<int>, 50>]':
lang.cpp:24:3: required from 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]'
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:51:50: error: 'const struct Data<int, std::hash<int>, 50>' has no member named 'begin'
51 | begin(_Container& __cont) -> decltype(__cont.begin())
| ~~~~~~~^~~~~
lang.cpp: In instantiation of 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]':
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:61:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&)'
61 | begin(const _Container& __cont) -> decltype(__cont.begin())
| ^~~~~
/usr/include/c++/10/bits/range_access.h:61:5: note: template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&) [with _Container = Data<int, std::hash<int>, 50>]':
lang.cpp:24:3: required from 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]'
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:61:56: error: 'const struct Data<int, std::hash<int>, 50>' has no member named 'begin'
61 | begin(const _Container& __cont) -> decltype(__cont.begin())
| ~~~~~~~^~~~~
lang.cpp: In instantiation of 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]':
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:90:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::begin(_Tp (&)[_Nm])'
90 | begin(_Tp (&__arr)[_Nm])
| ^~~~~
/usr/include/c++/10/bits/range_access.h:90:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: mismatched types '_Tp [_Nm]' and 'const Data<int, std::hash<int>, 50>'
24 | for (auto [k, v]: o) {
| ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from lang.cpp:3:
/usr/include/c++/10/valarray:1214:5: note: candidate: 'template<class _Tp> _Tp* std::begin(std::valarray<_Tp>&)'
1214 | begin(valarray<_Tp>& __va)
| ^~~~~
/usr/include/c++/10/valarray:1214:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: types 'std::valarray<_Tp>' and 'const Data<int, std::hash<int>, 50>' have incompatible cv-qualifiers
24 | for (auto [k, v]: o) {
| ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from lang.cpp:3:
/usr/include/c++/10/valarray:1224:5: note: candidate: 'template<class _Tp> const _Tp* std::begin(const std::valarray<_Tp>&)'
1224 | begin(const valarray<_Tp>& __va)
| ^~~~~
/usr/include/c++/10/valarray:1224:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: 'const Data<int, std::hash<int>, 50>' is not derived from 'const std::valarray<_Tp>'
24 | for (auto [k, v]: o) {
| ^~~
lang.cpp:24:3: error: no matching function for call to 'end(const Data<int, std::hash<int>, 50>&)'
In file included from /usr/include/c++/10/bits/range_access.h:36,
from /usr/include/c++/10/string:54,
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 lang.cpp:3:
/usr/include/c++/10/initializer_list:101:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)'
101 | end(initializer_list<_Tp> __ils) noexcept
| ^~~
/usr/include/c++/10/initializer_list:101:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: 'Data<int, std::hash<int>, 50>' is not derived from 'std::initializer_list<_Tp>'
24 | for (auto [k, v]: o) {
| ^~~
In file included from /usr/include/c++/10/string:54,
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 lang.cpp:3:
/usr/include/c++/10/bits/range_access.h:71:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
71 | end(_Container& __cont) -> decltype(__cont.end())
| ^~~
/usr/include/c++/10/bits/range_access.h:71:5: note: template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&) [with _Container = const Data<int, std::hash<int>, 50>]':
lang.cpp:24:3: required from 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]'
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:71:48: error: 'const struct Data<int, std::hash<int>, 50>' has no member named 'end'
71 | end(_Container& __cont) -> decltype(__cont.end())
| ~~~~~~~^~~
lang.cpp: In instantiation of 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]':
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:81:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
81 | end(const _Container& __cont) -> decltype(__cont.end())
| ^~~
/usr/include/c++/10/bits/range_access.h:81:5: note: template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&) [with _Container = Data<int, std::hash<int>, 50>]':
lang.cpp:24:3: required from 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]'
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:81:54: error: 'const struct Data<int, std::hash<int>, 50>' has no member named 'end'
81 | end(const _Container& __cont) -> decltype(__cont.end())
| ~~~~~~~^~~
lang.cpp: In instantiation of 'double Data<T, Hash, MAX>::operator&(const Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 50]':
lang.cpp:66:20: required from here
/usr/include/c++/10/bits/range_access.h:100:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
100 | end(_Tp (&__arr)[_Nm])
| ^~~
/usr/include/c++/10/bits/range_access.h:100:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: mismatched types '_Tp [_Nm]' and 'const Data<int, std::hash<int>, 50>'
24 | for (auto [k, v]: o) {
| ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from lang.cpp:3:
/usr/include/c++/10/valarray:1234:5: note: candidate: 'template<class _Tp> _Tp* std::end(std::valarray<_Tp>&)'
1234 | end(valarray<_Tp>& __va)
| ^~~
/usr/include/c++/10/valarray:1234:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: types 'std::valarray<_Tp>' and 'const Data<int, std::hash<int>, 50>' have incompatible cv-qualifiers
24 | for (auto [k, v]: o) {
| ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from lang.cpp:3:
/usr/include/c++/10/valarray:1244:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const std::valarray<_Tp>&)'
1244 | end(const valarray<_Tp>& __va)
| ^~~
/usr/include/c++/10/valarray:1244:5: note: template argument deduction/substitution failed:
lang.cpp:24:3: note: 'const Data<int, std::hash<int>, 50>' is not derived from 'const std::valarray<_Tp>'
24 | for (auto [k, v]: o) {
| ^~~
lang.cpp:25:14: error: 'const class std::unordered_map<int, int>' has no member named 'contains'
25 | if (not m.contains(k)) ret += magic((double) v / o.tot);
| ~~^~~~~~~~
lang.cpp: In instantiation of 'void Data<T, Hash, MAX>::operator+=(const Data<T, Hash, MAX>&) [with T = int; Hash = std::hash<int>; int MAX = 50]':
lang.cpp:70:17: required from here
lang.cpp:31:3: error: no matching function for call to 'begin(const Data<int, std::hash<int>, 50>&)'
31 | for (auto &[k, v]: o) {
| ^~~
In file included from /usr/include/c++/10/bits/range_access.h:36,
from /usr/include/c++/10/string:54,
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 lang.cpp:3:
/usr/include/c++/10/initializer_list:90:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(std::initializer_list<_Tp>)'
90 | begin(initializer_list<_Tp> __ils) noexcept
| ^~~~~
/usr/include/c++/10/initializer_list:90:5: note: template argument deduction/substitution failed:
lang.cpp:31:3: note: 'Data<int, std::hash<int>, 50>' is not derived from 'std::initializer_list<_Tp>'
31 | for (auto &[k, v]: o) {
| ^~~
In file included from /usr/include/c++/10/string:54,
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 /u