# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
522314 | byunjaewoo | Aliens (IOI16_aliens) | 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>
#define x first
#define y second
using namespace std;
using ll=long long;
using ld=long double;
using pp=pair<ll, ll>;
const int Nmax=100010;
ll N, NN, M, K, DP[Nmax], C[Nmax];
pp A[Nmax], B[Nmax];
struct line {
ll a, b;
int idx;
ll f(ll x) {return a*x+b;}
ld cross(line r) {return (b-r.b)/(r.a-a);}
}L[Nmax];
void Dynamic(ll v) {
int fr=0, re=0;
fill(C+1, C+N+1, 0);
for(int i=1; i<=N; i++) {
line tmp={-2*A[i].x, DP[i-1]+A[i].x*A[i].x-2*A[i].x, i};
while(fr<re && L[re-1].cross(tmp)>=L[re-1].cross(L[re])) re--;
L[++re]=tmp;
while(fr<re && L[fr].f(A[i].y)>=L[fr+1].f(A[i].y)) fr++;
DP[i]=L[fr].f(A[i].y)+A[i].y*A[i].y+v+2*A[i].y+1;
C[i]=C[L[fr].idx-1]+1;
}
}
ll take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
NN=n, M=m, K=k;
for(int i=1; i<=NN; i++) {
B[i].x=min(r[i-1], c[i-1]), B[i].y=max(r[i-1], c[i-1]);
}
sort(B+1, B+NN+1);
for(int i=NN; i>=1; i--) {
while(N && A[N].y<=B[i].y) N--;
A[++N]=B[i];
}
reverse(A+1, A+N+1); K=min(K, N);
{
ll l=0, r=N+1, lv, rv;
for(ll s=0, e=M*M; s<=e;) {
ll mid=(s+e)/2;
Dynamic(mid);
if(C[N]==K) {
return DP[N]-mid*C[N];
}
else if(C[N]>K) {
s=mid+1;
if(r>C[N]) r=C[N], rv=DP[N]-mid*C[N];
}
else {
e=mid-1;
if(l<C[N]) l=C[N], lv=DP[N]-mid*C[N];
}
}
}
return rv+(lv-rv)/(r-l)*(r-K);
}
Compilation message (stderr)
aliens.cpp: In function 'll take_photos(int, int, int, std::vector<int>, std::vector<int>)': aliens.cpp:44:20: warning: variable 'lv' set but not used [-Wunused-but-set-variable] 44 | ll l=0, r=N+1, lv, rv; | ^~ aliens.cpp:44:24: warning: variable 'rv' set but not used [-Wunused-but-set-variable] 44 | ll l=0, r=N+1, lv, rv; | ^~ aliens.cpp:61:12: error: 'rv' was not declared in this scope; did you mean 'r'? 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^~ | r aliens.cpp:61:16: error: 'lv' was not declared in this scope; did you mean 'ld'? 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^~ | ld aliens.cpp:61:26: error: 'l' was not declared in this scope 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ aliens.cpp:61:31: error: no match for 'operator-' (operand types are 'std::vector<int>' and 'll' {aka 'long long int'}) 61 | return rv+(lv-rv)/(r-l)*(r-K); | ~^~ | | | | | ll {aka long long int} | std::vector<int> In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from aliens.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 500 | operator-(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:500:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from aliens.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1533:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1533 | operator-(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1533:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from aliens.cpp:1: /usr/include/c++/10/complex:361:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)' 361 | operator-(const complex<_Tp>& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:361:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::complex<_Tp>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from aliens.cpp:1: /usr/include/c++/10/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)' 370 | operator-(const complex<_Tp>& __x, const _Tp& __y) | ^~~~~~~~ /usr/include/c++/10/complex:370:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::complex<_Tp>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from aliens.cpp:1: /usr/include/c++/10/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)' 379 | operator-(const _Tp& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:379:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: mismatched types 'const std::complex<_Tp>' and 'll' {aka 'long long int'} 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from aliens.cpp:1: /usr/include/c++/10/complex:456:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)' 456 | operator-(const complex<_Tp>& __x) | ^~~~~~~~ /usr/include/c++/10/complex:456:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::complex<_Tp>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)' 406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)' 406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)' 406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'll' {aka 'long long int'} 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)' 406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)' 406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'll' {aka 'long long int'} 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)' 1186 | _DEFINE_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/valarray:1186:1: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::valarray<_Tp>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)' 1186 | _DEFINE_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/valarray:1186:1: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const std::valarray<_Tp>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from aliens.cpp:1: /usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)' 1186 | _DEFINE_BINARY_OPERATOR(-, __minus) | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/valarray:1186:1: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: mismatched types 'const std::valarray<_Tp>' and 'll' {aka 'long long int'} 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from aliens.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1164:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> decltype ((__lhs.base() - __rhs.base())) __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)' 1164 | operator-(const __normal_iterator<_IteratorL, _Container>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1164:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from aliens.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1177:5: note: candidate: 'template<class _Iterator, class _Container> typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)' 1177 | operator-(const __normal_iterator<_Iterator, _Container>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1177:5: note: template argument deduction/substitution failed: aliens.cpp:61:32: note: 'std::vector<int>' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' 61 | return rv+(lv-rv)/(r-l)*(r-K); | ^