| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1194456 | franuch | Naval battle (CEOI24_battle) | C++20 | Compilation error | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define sz(a) (ll)a.size()
#define all(a) a.begin(), a.end()
#define vc vector
#define pub push_back
#define pob pop_back
#define st first
#define nd second
pll nxt(ll x, ll y) {
ll dir = grid[y][x].st;
ll i = grid[y][x].nd;
if (dir == 0)
return {x, y - 1};
if (dir == 1)
return {x, y + 1};
if (dir == 2)
return {x + 1, y};
return {x - 1, y};
}
bool valid(ll x, ll y) {
return 0 <= x and x < C and 0 <= y and y < C;
}
void program() {
ll C = 101;
vc<vc<pll>> grid(C, vc<ll>(C, {-1, -1}));
ll n;
cin >> n;
for (ll i = 0; i < n; i++) {
ll x, ll y;
cin >> x >> y;
char dir;
cin >> dir;
if (dir == 'N')
grid[y][x] = {1, i};
else if (dir == 'S')
grid[y][x] = {0, i};
else if (dir == 'E')
grid[y][x] = {2, i};
else
grid[y][x] = {3, i};
}
vc<bool> git(n);
while (true) {
bool good = false;
vc<vc<ll>> occ(C, vc<ll>(C, 0));
for (ll y = 0; y < Y; y++)
for (ll x = 0; x < X; x++) {
ll dir = grid[y][x].st;
ll i = grid[y][x].nd;
if (dir != -1)
good = true;
auto [z, t] = nxt(x, y);
if (valid(z, t))
occ[t][z]++;
else
git[i] = true;
}
if (not good)
break;
vc<vc<pll>> tmp(C, vc<ll>(C, {-1, -1}));
for (ll y = 0; y < Y; y++)
for (ll x = 0; x < X; x++) {
ll dir = grid[y][x].st;
if (dir == -1)
continue;
auto [z, t] = nxt(x, y);
if (valid(z, t) and occ[t][z] == 1)
tmp[t][z] = grid[y][x];
}
swap(tmp, grid);
}
for (ll i = 0; i < n; i++)
if (git[i])
cout << i + 1 << "\n";
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
program();
return 0;
}
Compilation message (stderr)
Main.cpp: In function 'pll nxt(ll, ll)':
Main.cpp:14:18: error: 'grid' was not declared in this scope
14 | ll dir = grid[y][x].st;
| ^~~~
Main.cpp: In function 'bool valid(ll, ll)':
Main.cpp:26:31: error: 'C' was not declared in this scope
26 | return 0 <= x and x < C and 0 <= y and y < C;
| ^
Main.cpp: In function 'void program()':
Main.cpp:31:47: error: no matching function for call to 'std::vector<long long int>::vector(ll&, <brace-enclosed initializer list>)'
31 | vc<vc<pll>> grid(C, vc<ll>(C, {-1, -1}));
| ^
In file included from /usr/include/c++/11/vector:67,
from /usr/include/c++/11/functional:62,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:653:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]'
653 | vector(_InputIterator __first, _InputIterator __last,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:653:9: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/bits/stl_algobase.h:65,
from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from Main.cpp:1:
/usr/include/c++/11/bits/stl_iterator_base_types.h: In substitution of 'template<class _InIter> using _RequireInputIter = std::__enable_if_t<std::is_convertible<typename std::iterator_traits< <template-parameter-1-1> >::iterator_category, std::input_iterator_tag>::value> [with _InIter = long long int]':
/usr/include/c++/11/bits/stl_vector.h:652:9: required from here
/usr/include/c++/11/bits/stl_iterator_base_types.h:249:11: error: no type named 'iterator_category' in 'struct std::iterator_traits<long long int>'
249 | using _RequireInputIter =
| ^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/vector:67,
from /usr/include/c++/11/functional:62,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
625 | vector(initializer_list<value_type> __l,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:625:43: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'std::initializer_list<long long int>'
625 | vector(initializer_list<value_type> __l,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
607 | vector(vector&& __rv, const allocator_type& __m)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:607:23: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'std::vector<long long int>&&'
607 | vector(vector&& __rv, const allocator_type& __m)
| ~~~~~~~~~^~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>; std::false_type = std::integral_constant<bool, false>]'
589 | vector(vector&& __rv, const allocator_type& __m, false_type)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note: candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:585:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>; std::true_type = std::integral_constant<bool, true>]'
585 | vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:585:7: note: candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
575 | vector(const vector& __x, const allocator_type& __a)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:575:28: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'const std::vector<long long int>&'
575 | vector(const vector& __x, const allocator_type& __a)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
572 | vector(vector&&) noexcept = default;
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
553 | vector(const vector& __x)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:553:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:522:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
522 | vector(size_type __n, const value_type& __value,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:522:47: note: no known conversion for argument 2 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const long long int&'}
522 | vector(size_type __n, const value_type& __value,
| ~~~~~~~~~~~~~~~~~~^~~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:51: note: no known conversion for argument 2 from '<brace-enclosed initializer list>' to 'const allocator_type&' {aka 'const std::allocator<long long int>&'}
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
497 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
487 | vector() = default;
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:487:7: note: candidate expects 0 arguments, 2 provided
Main.cpp:35:26: error: expected initializer before 'y'
35 | ll x, ll y;
| ^
Main.cpp:36:29: error: 'y' was not declared in this scope
36 | cin >> x >> y;
| ^
Main.cpp:53:36: error: 'Y' was not declared in this scope
53 | for (ll y = 0; y < Y; y++)
| ^
Main.cpp:54:44: error: 'X' was not declared in this scope
54 | for (ll x = 0; x < X; x++) {
| ^
Main.cpp:69:54: error: no matching function for call to 'std::vector<long long int>::vector(ll&, <brace-enclosed initializer list>)'
69 | vc<vc<pll>> tmp(C, vc<ll>(C, {-1, -1}));
| ^
In file included from /usr/include/c++/11/vector:67,
from /usr/include/c++/11/functional:62,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:653:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = long long int; _Alloc = std::allocator<long long int>]'
653 | vector(_InputIterator __first, _InputIterator __last,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:653:9: note: template argument deduction/substitution failed:
/usr/include/c++/11/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
625 | vector(initializer_list<value_type> __l,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:625:43: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'std::initializer_list<long long int>'
625 | vector(initializer_list<value_type> __l,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
607 | vector(vector&& __rv, const allocator_type& __m)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:607:23: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'std::vector<long long int>&&'
607 | vector(vector&& __rv, const allocator_type& __m)
| ~~~~~~~~~^~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>; std::false_type = std::integral_constant<bool, false>]'
589 | vector(vector&& __rv, const allocator_type& __m, false_type)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note: candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:585:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>; std::true_type = std::integral_constant<bool, true>]'
585 | vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:585:7: note: candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
575 | vector(const vector& __x, const allocator_type& __a)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:575:28: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'const std::vector<long long int>&'
575 | vector(const vector& __x, const allocator_type& __a)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
572 | vector(vector&&) noexcept = default;
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
553 | vector(const vector& __x)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:553:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:522:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = long long int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
522 | vector(size_type __n, const value_type& __value,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:522:47: note: no known conversion for argument 2 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const long long int&'}
522 | vector(size_type __n, const value_type& __value,
| ~~~~~~~~~~~~~~~~~~^~~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:51: note: no known conversion for argument 2 from '<brace-enclosed initializer list>' to 'const allocator_type&' {aka 'const std::allocator<long long int>&'}
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<long long int>]'
497 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
487 | vector() = default;
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:487:7: note: candidate expects 0 arguments, 2 provided
Main.cpp:70:36: error: 'Y' was not declared in this scope
70 | for (ll y = 0; y < Y; y++)
| ^
Main.cpp:71:44: error: 'X' was not declared in this scope
71 | for (ll x = 0; x < X; x++) {
| ^