| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1193761 | emad234 | Jakarta Skyscrapers (APIO15_skyscraper) | C++20 | Compilation error | 0 ms | 0 KiB |
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx,avx2")
#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define pii pair<int, int>
using namespace std;
vector<pii>v;
int pos[2];
vector<int>dist;
bool operator<(pair<int,int>a,pair<int,int>b){
return a.S > b.S;
}
int n,m;
int conv(int q,int p){
return p * n + q;
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >>n>>m;
int buck = 175;
dist.resize(n * buck + 1);
v.resize(n * buck + 1);
for(int i = 0;i < m;i++){
int q,p;
cin >>q>>p;
if(i < 2) pos[i] = q;
if(p <= buck){
v[conv(q,0)].push_back({conv(q,p),0});
}else{
int cnt = 1;
for(int j = q - p;j >= 0;j -= p){
v[conv(q,0)].push_back({conv(j,0),cnt});
cnt++;
}
cnt = 1;
for(int j = q + p;j < n;j += p){
v[conv(q,0)].push_back({conv(j,0),cnt});
cnt++;
}
}
}
for(int i = 0;i < n;i++){
for(int p = 0;p <= buck;p++){
dist[conv(i,p)] = 1e9;
}
}
dist[pos[0]] = 0;
priority_queue<pair<int,int>>q;
q.push({pos[0],0});
while(q.size()){
auto u = q.top();
// cout<<u.F<<' '<<u.S<<'\n';
q.pop();
if(dist[u.F] < u.S) continue;
for(auto x : v[u.F]){
if(dist[x.F] > u.S + x.S){
dist[x.F] = u.S + x.S;
q.push({x.F,dist[x.F]});
}
}
pii x;
if(u.F >= n){
x = {u.F + u.F / n,1};
if(x.F / n == u.F / n && dist[x.F] > u.S + x.S){
dist[x.F] = u.S + x.S;
q.push({x.F,dist[x.F]});
}
x = {u.F - u.F / n,1};
if(x.F / n == u.F / n && dist[x.F] > u.S + x.S){
dist[x.F] = u.S + x.S;
q.push({x.F,dist[x.F]});
}
x = {u.F % n,0};
if(dist[x.F] > u.S + x.S){
dist[x.F] = u.S + x.S;
q.push({x.F,dist[x.F]});
}
}
}
cout<<(dist[pos[1]] == 1e9 ? -1 : dist[pos[1]]);
}
Compilation message (stderr)
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:32:20: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'push_back'
32 | v[conv(q,0)].push_back({conv(q,p),0});
| ^~~~~~~~~
skyscraper.cpp:36:22: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'push_back'
36 | v[conv(q,0)].push_back({conv(j,0),cnt});
| ^~~~~~~~~
skyscraper.cpp:41:22: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'push_back'
41 | v[conv(q,0)].push_back({conv(j,0),cnt});
| ^~~~~~~~~
skyscraper.cpp:59:23: error: no matching function for call to 'begin(std::pair<int, int>&)'
59 | for(auto x : v[u.F]){
| ^
In file included from /usr/include/c++/11/bits/algorithmfwd.h:39,
from /usr/include/c++/11/bits/stl_algo.h:60,
from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from skyscraper.cpp:3:
/usr/include/c++/11/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++/11/initializer_list:90:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: 'std::pair<int, int>' is not derived from 'std::initializer_list<_Tp>'
59 | for(auto x : v[u.F]){
| ^
In file included from /usr/include/c++/11/string:54,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from skyscraper.cpp:3:
/usr/include/c++/11/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++/11/bits/range_access.h:51:5: note: template argument deduction/substitution failed:
/usr/include/c++/11/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&) [with _Container = std::pair<int, int>]':
skyscraper.cpp:59:23: required from here
/usr/include/c++/11/bits/range_access.h:51:50: error: 'struct std::pair<int, int>' has no member named 'begin'
51 | begin(_Container& __cont) -> decltype(__cont.begin())
| ~~~~~~~^~~~~
/usr/include/c++/11/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++/11/bits/range_access.h:61:5: note: template argument deduction/substitution failed:
/usr/include/c++/11/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&) [with _Container = std::pair<int, int>]':
skyscraper.cpp:59:23: required from here
/usr/include/c++/11/bits/range_access.h:61:56: error: 'const struct std::pair<int, int>' has no member named 'begin'
61 | begin(const _Container& __cont) -> decltype(__cont.begin())
| ~~~~~~~^~~~~
/usr/include/c++/11/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]) noexcept
| ^~~~~
/usr/include/c++/11/bits/range_access.h:90:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: mismatched types '_Tp [_Nm]' and 'std::pair<int, int>'
59 | for(auto x : v[u.F]){
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from skyscraper.cpp:3:
/usr/include/c++/11/valarray:1217:5: note: candidate: 'template<class _Tp> _Tp* std::begin(std::valarray<_Tp>&)'
1217 | begin(valarray<_Tp>& __va) noexcept
| ^~~~~
/usr/include/c++/11/valarray:1217:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: 'std::pair<int, int>' is not derived from 'std::valarray<_Tp>'
59 | for(auto x : v[u.F]){
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from skyscraper.cpp:3:
/usr/include/c++/11/valarray:1228:5: note: candidate: 'template<class _Tp> const _Tp* std::begin(const std::valarray<_Tp>&)'
1228 | begin(const valarray<_Tp>& __va) noexcept
| ^~~~~
/usr/include/c++/11/valarray:1228:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: 'std::pair<int, int>' is not derived from 'const std::valarray<_Tp>'
59 | for(auto x : v[u.F]){
| ^
skyscraper.cpp:59:23: error: no matching function for call to 'end(std::pair<int, int>&)'
In file included from /usr/include/c++/11/bits/algorithmfwd.h:39,
from /usr/include/c++/11/bits/stl_algo.h:60,
from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from skyscraper.cpp:3:
/usr/include/c++/11/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++/11/initializer_list:101:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: 'std::pair<int, int>' is not derived from 'std::initializer_list<_Tp>'
59 | for(auto x : v[u.F]){
| ^
In file included from /usr/include/c++/11/string:54,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from skyscraper.cpp:3:
/usr/include/c++/11/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++/11/bits/range_access.h:71:5: note: template argument deduction/substitution failed:
/usr/include/c++/11/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&) [with _Container = std::pair<int, int>]':
skyscraper.cpp:59:23: required from here
/usr/include/c++/11/bits/range_access.h:71:48: error: 'struct std::pair<int, int>' has no member named 'end'
71 | end(_Container& __cont) -> decltype(__cont.end())
| ~~~~~~~^~~
/usr/include/c++/11/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++/11/bits/range_access.h:81:5: note: template argument deduction/substitution failed:
/usr/include/c++/11/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&) [with _Container = std::pair<int, int>]':
skyscraper.cpp:59:23: required from here
/usr/include/c++/11/bits/range_access.h:81:54: error: 'const struct std::pair<int, int>' has no member named 'end'
81 | end(const _Container& __cont) -> decltype(__cont.end())
| ~~~~~~~^~~
/usr/include/c++/11/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]) noexcept
| ^~~
/usr/include/c++/11/bits/range_access.h:100:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: mismatched types '_Tp [_Nm]' and 'std::pair<int, int>'
59 | for(auto x : v[u.F]){
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from skyscraper.cpp:3:
/usr/include/c++/11/valarray:1239:5: note: candidate: 'template<class _Tp> _Tp* std::end(std::valarray<_Tp>&)'
1239 | end(valarray<_Tp>& __va) noexcept
| ^~~
/usr/include/c++/11/valarray:1239:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: 'std::pair<int, int>' is not derived from 'std::valarray<_Tp>'
59 | for(auto x : v[u.F]){
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from skyscraper.cpp:3:
/usr/include/c++/11/valarray:1255:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const std::valarray<_Tp>&)'
1255 | end(const valarray<_Tp>& __va) noexcept
| ^~~
/usr/include/c++/11/valarray:1255:5: note: template argument deduction/substitution failed:
skyscraper.cpp:59:23: note: 'std::pair<int, int>' is not derived from 'const std::valarray<_Tp>'
59 | for(auto x : v[u.F]){
| ^
skyscraper.cpp:62:15: error: no matching function for call to 'std::priority_queue<std::pair<int, int> >::push(<brace-enclosed initializer list>)'
62 | q.push({x.F,dist[x.F]});
| ~~~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/queue:64,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:86,
from skyscraper.cpp:3:
/usr/include/c++/11/bits/stl_queue.h:640:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, int>]'
640 | push(const value_type& __x)
| ^~~~
/usr/include/c++/11/bits/stl_queue.h:640:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'}
640 | push(const value_type& __x)
| ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_queue.h:648:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, int>]'
648 | push(value_type&& __x)
| ^~~~
/usr/include/c++/11/bits/stl_queue.h:648:25: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'}
648 | push(value_type&& __x)
| ~~~~~~~~~~~~~^~~