# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
856207 | DAleksa | Hiring (IOI09_hiring) | 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.
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 5e5 + 10, M = 2e4 + 10;
int n;
long long w;
long long s[N], q[N];
pair<long long, int> st[4 * M];
struct frac {
int p;
int q;
};
void update(int index, int l, int r, int x) {
if(l > r || r < x || x < l) return;
if(l == r) {
st[index].first += x;
st[index].second += 1;
return;
}
int mid = (l + r) / 2;
update(2 * index + 1, l, mid, x);
update(2 * index + 2, mid + 1, r, x);
st[index].first = st[2 * index + 1].first + st[2 * index + 2].first;
st[index].second = st[2 * index + 1].second + st[2 * index + 2].second;
}
pair<long long, int> get(int index, int l, int r, int L, int R) {
if(l > r || r < L || R < l) return {0, 0};
if(L <= l && r <= R) return st[index];
int mid = (l + r) / 2;
pair<long long, int> p1 = get(2 * index + 1, l, mid, L, R);
pair<long long, int> p2 = get(2 * index + 2, mid + 1, r, L, R);
return {p1.first + p2.first, p1.second + p2.second};
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
for(int i = 0; i < 4 * M; i++) st[i].first = st[i].second = 0;
cin >> n >> w;
for(int i = 0; i < n; i++) cin >> s[i] >> q[i];
int order[n];
iota(order, order + n, 0);
sort(order, order + n, [&](int i, int j) { return 1.0 * s[i] * q[j] < 1.0 * s[j] * q[i]; });
frac res;
res.p = 1e18;
res.q = 1;
int cnt = 0, index = 0;
for(int i = 0; i < n; i++) {
int l = 0, r = M - 1;
int ans = l;
while(l <= r) {
int mid = (l + r) / 2;
pair<long long, int> sum = get(0, 0, M - 1, 0, mid);
if(sum.first * 1.0 * s[order[i]] <= (w - s[order[i]]) * q[order[i]]) {
ans = mid;
l = mid + 1;
} else r = mid - 1;
}
pair<long long, int> sum = get(0, 0, M - 1, 0, ans);
if(cnt == sum.second) {
if(res.p * q[order[i]] > (sum.first * s[order[i]] + s[order[i]] * q[order[i]]) * res.q) {
res.p = sum.first * s[order[i]] + s[order[i]] * q[order[i]];
res.q = q[order[i]];
index = i;
}
} else if(cnt < sum.second) {
cnt = sum.second;
res.p = sum.first * s[order[i]] + s[order[i]] * q[order[i]];
res.q = q[order[i]];
index = i;
}
update(0, 0, M - 1, q[order[i]]);
}
vector<int> ans;
ans.push_back(order[index]);
vector<pair<int, int>> have;
for(int i = 0; i < index; i++) have.push_back({q[order[i]], order[i]})
sort(have.begin(), have.end());
for(int i = 0; i < cnt; i++) ans.push_back(have[i].second);
sort(ans.begin(), ans.end());
cout << ans.size() << "\n";
for(int i : ans) cout << ans << "\n";
return 0;
}
Compilation message (stderr)
hiring.cpp: In function 'int main()': hiring.cpp:83:75: error: expected ';' before 'sort' 83 | for(int i = 0; i < index; i++) have.push_back({q[order[i]], order[i]}) | ^ | ; 84 | sort(have.begin(), have.end()); | ~~~~ hiring.cpp:88:27: error: no match for 'operator<<' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'std::vector<long long int>') 88 | for(int i : ans) cout << ans << "\n"; | ~~~~ ^~ ~~~ | | | | | std::vector<long long int> | 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 hiring.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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 hiring.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 'std::vector<long long int>' 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 hiring.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 'std::vector<long long int>' 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 hiring.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 'std::vector<long long int>' 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 hiring.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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' 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 'std::vector<long long int>' to 'const void*' 245 | operator<<(const void* __p) | ~~~~~~~~~~~~^~~ /usr/include/c++/10/ostream:250:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::nullptr_t) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>; std::nullptr_t = std::nullptr_t]' 250 | operator<<(nullptr_t) | ^~~~~~~~ /usr/include/c++/10/ostream:250:18: note: no known conversion for argument 1 from 'std::vector<long long int>' to 'std::nullptr_t' 250 | operator<<(nullptr_t) | ^~~~~~~~~ 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 hiring.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 'std::vector<long long int>' 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 hiring.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: hiring.cpp:88:30: note: 'std::vector<long long int>' is not derived from 'const std::__cxx11::sub_match<_Bi_iter>' 88 | for(int i : ans) cout << ans << "\n"; | ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45, from hiring.cpp:1: /usr/include/c++/10/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(std::byte, _IntegerType)' 125 | operator<<(byte __b, _IntegerType __shift) noexcept | ^~~~~~~~ /usr/include/c++/10/cstddef:125:5: note: template argument deduction/substitution failed: hiring.cpp:88:22: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte' 88 | for(int i : ans) cout << ans << "\n"; | ^~~~ In file included from /usr/include/c++/10/bits/basic_string.h:48, 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 hiring.cpp:1: /usr/include/c++/10/string_view:622:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::basic_string_view<_CharT, _Traits>)' 622 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/10/string_view:622:5: note: template argument deduction/substitution failed: hiring.cpp:88:30: note: 'std::vector<long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 88 | for(int i : ans) cout << ans << "\n"; | ^~~ 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 hiring.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, _Allocator>&)' 6458 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6458:5: note: template argument deduction/substitution failed: hiring.cpp:88:30: note: 'std::vector<long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 88 | for(int i : ans) cout << ans << "\n"; | ^~~ 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 hiring.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: hiring.cpp:88:30: note: cannot convert 'ans' (type 'std::vector<long long int>') to type 'const std::error_code&' 88 | for(int i : ans) cout << ans << "\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,