| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 601272 | jjiangly | Split the sequence (APIO14_sequence) | C++14 | 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.
Nguyen Duc
//#pragma GCC optimize("O2")
#include <bits/stdc++.h>
#define TASK "QNOI"
#define ll long long
#define f first
#define s second
#define pb push_back
#define For(i,l,r) for (int i=l;i<=r;i++)
#define Fod(i,r,l) for (int i=r;i>=l;i--)
#define faster ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
typedef pair<int,int> ii;
typedef unsigned long long ull;
const int N = 1000;
const ll oo = 1e15;
ll dp[N + 5][N + 5];
int main () {
faster;
#ifndef ONLINE_JUDGE
freopen(TASK".inp", "r", stdin);
freopen(TASK".out", "w", stdout);
#endif
int n, k;
cin >> n >> k;
vector <ll> a(n + 1, 0);
vector <ll> pre(n + 1, 0);
For(i, 1, n) cin >> a[i], pre[i] = pre[i - 1] + a[i];
For(i, 0, N) For(j, 0, N) dp[j][i] = -oo;
dp[0][0] = 0;
For(i, 1, n)
For(j, 1, k) {
For(l, 0, i - 1)
dp[i][j] = max(dp[i][j], dp[l][j - 1] + 1ll * (pre[n] - pre[i]) * (pre[i] - pre[l]));
}
ll ans = 0;
For(i, 1, n) ans = max(ans, dp[i][k]);
cout << ans << endl;
vector <int> res;
int cnt = k - 1;
int tmp = 1;
For(i, 1, n) {
if(dp[i][k] == ans) {
res.pb(i);
tmp = i;
Fod(j, i - 1, 1) {
if(cnt == 0) break;
if(dp[j][cnt] + 1ll * (pre[n] - pre[tmp]) * (pre[tmp] - pre[j]) == ans) {
res.pb(j);
cnt--;
ans = dp[j][cnt + 1];
tmp = j;
}
}
break;
}
}
reverse(res.begin(), res.end());
for(int i : res) cout << i << " ";
}//#pragma GCC optimize("O2")
#include <bits/stdc++.h>
#define TASK "QNOI"
#define ll long long
#define f first
#define s second
#define pb push_back
#define For(i,l,r) for (int i=l;i<=r;i++)
#define Fod(i,r,l) for (int i=r;i>=l;i--)
#define faster ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
typedef pair<int,int> ii;
typedef unsigned long long ull;
const int N = 1000;
const ll oo = 1e15;
ll dp[N + 5][N + 5];
int main () {
faster;
int n, k;
cin >> n >> k;
vector <ll> a(n + 1, 0);
vector <ll> pre(n + 1, 0);
For(i, 1, n) cin >> a[i], pre[i] = pre[i - 1] + a[i];
For(i, 0, N) For(j, 0, N) dp[j][i] = -oo;
dp[0][0] = 0;
For(i, 1, n)
For(j, 1, k) {
For(l, 0, i - 1)
dp[i][j] = max(dp[i][j], dp[l][j - 1] + 1ll * (pre[n] - pre[i]) * (pre[i] - pre[l]));
}
ll ans = 0;
For(i, 1, n) ans = max(ans, dp[i][k]);
cout << ans << endl;
vector <int> res;
int cnt = k - 1;
int tmp = 1;
For(i, 1, n) {
if(dp[i][k] == ans) {
res.pb(i);
tmp = i;
Fod(j, i - 1, 1) {
if(cnt == 0) break;
if(dp[j][cnt] + 1ll * (pre[n] - pre[tmp]) * (pre[tmp] - pre[j]) == ans) {
res.pb(j);
cnt--;
ans = dp[j][cnt + 1];
tmp = j;
}
}
break;
}
}
reverse(res.begin(), res.end());
for(int i : res) cout << i << " ";
}
Compilation message (stderr)
sequence.cpp:1:1: error: 'Nguyen' does not name a type
1 | Nguyen Duc
| ^~~~~~
In file included from /usr/include/c++/10/cmath:43,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/include/c++/10/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity
162 | __is_null_pointer(std::nullptr_t)
| ^
/usr/include/c++/10/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
157 | __is_null_pointer(_Type)
| ^~~~~~~~~~~~~~~~~
/usr/include/c++/10/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
162 | __is_null_pointer(std::nullptr_t)
| ^~~~~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/new:126:26: error: declaration of 'operator new' as non-function
126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~~~
/usr/include/c++/10/new:126:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/new:127:41: error: attributes after parenthesized initializer ignored [-fpermissive]
127 | __attribute__((__externally_visible__));
| ^
/usr/include/c++/10/new:128:26: error: declaration of 'operator new []' as non-function
128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~~~
/usr/include/c++/10/new:128:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/new:129:41: error: attributes after parenthesized initializer ignored [-fpermissive]
129 | __attribute__((__externally_visible__));
| ^
/usr/include/c++/10/new:135:34: error: 'std::size_t' has not been declared
135 | void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/10/new:137:36: error: 'std::size_t' has not been declared
137 | void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/10/new:140:26: error: declaration of 'operator new' as non-function
140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:140:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/new:140:52: error: expected primary-expression before 'const'
140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~
/usr/include/c++/10/new:142:26: error: declaration of 'operator new []' as non-function
142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:142:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/new:142:54: error: expected primary-expression before 'const'
142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~
/usr/include/c++/10/new:174:33: error: declaration of 'operator new' as non-function
174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:174:51: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/new:174:59: error: expected primary-expression before 'void'
174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~
/usr/include/c++/10/new:176:33: error: declaration of 'operator new []' as non-function
176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:176:53: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/new:176:61: error: expected primary-expression before 'void'
176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/type_traits:402:31: error: 'std::size_t' has not been declared
402 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/10/type_traits:403:25: error: '_Size' was not declared in this scope
403 | struct is_array<_Tp[_Size]>
| ^~~~~
/usr/include/c++/10/type_traits:403:31: error: template argument 1 is invalid
403 | struct is_array<_Tp[_Size]>
| ^
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^~~~~~~~~
In file included from /usr/include/c++/10/cstddef:50,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:433:29: note: 'nullptr_t' declared here
433 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^~~~~~~~~
In file included from /usr/include/c++/10/cstddef:50,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:433:29: note: 'nullptr_t' declared here
433 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/type_traits:508:51: error: template argument 1 is invalid
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
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 sequence.cpp:3:
/usr/include/c++/10/type_traits:1351:57: error: template argument 1 is invalid
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^
/usr/include/c++/10/type_traits:1351:57: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1360:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1360 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sequence.cpp:3:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
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 /var/local/lib/is