답안 #90282

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
90282 2018-12-21T04:39:31 Z HardNut Chessboard (IZhO18_chessboard) C++17
컴파일 오류
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#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 5;
const long long INF = 1e9 + 5;
const int MAXN = 1e6;
const int base = 317;

typedef long long ll;

const ll bs = 1e5 + 1;
const ll mod = 998244353;

int ans = INF, n, k, x1[N], y1[N];

int calc(int x) {
    int res1 = 0, res2 = 0;
    for (int i = 1; i <= k; i++) {
        if ((x1[i] / x) % 2 == (y1[i] / x) % 2) {
            res1++;
        } else {
            res2++;
        }
    }
    int c1 = (n / x) * (n / x) / 2 * x * x;
    int c2 = n * n - c1;
    return min(c1 - res2 + res1, c2 - res1 + res2);
}

main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> k;
    for (int i = 1; i <= k; i++) {
        cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
        x1[i]--;
        y1[i]--;
    }
    for (int i = 1; i <= sqrt(n); i++) {
        if (n % i == 0) {
            ans = min(ans, calc(i));
            if (i != 1)
                ans = min(ans, calc(n / i));
        }
    }
    cout << ans;
    return 0;
}
/*

*/

Compilation message

chessboard.cpp:15:33: error: 'int y1 [100005]' redeclared as different kind of symbol
 int ans = INF, n, k, x1[N], y1[N];
                                 ^
In file included from /usr/include/features.h:367:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++config.h:533,
                 from /usr/include/c++/7/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:33,
                 from chessboard.cpp:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:251:1: note: previous declaration 'double y1(double)'
 __MATHCALL (y1,, (_Mdouble_));
 ^
chessboard.cpp: In function 'int calc(int)':
chessboard.cpp:20:37: warning: pointer to a function used in arithmetic [-Wpointer-arith]
         if ((x1[i] / x) % 2 == (y1[i] / x) % 2) {
                                     ^
chessboard.cpp:20:39: error: invalid operands of types 'double(double) noexcept' and 'int' to binary 'operator/'
         if ((x1[i] / x) % 2 == (y1[i] / x) % 2) {
                                 ~~~~~~^~~
chessboard.cpp: At global scope:
chessboard.cpp:31:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
chessboard.cpp: In function 'int main()':
chessboard.cpp:36:29: warning: pointer to a function used in arithmetic [-Wpointer-arith]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                             ^
chessboard.cpp:36:22: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}' and 'double(double) noexcept')
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
         ~~~~~~~~~~~~~^~~~~~~~
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:120:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(__istream_type& (*__pf)(__istream_type&))
       ^~~~~~~~
/usr/include/c++/7/istream:120:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:124:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>] <near match>
       operator>>(__ios_type& (*__pf)(__ios_type&))
       ^~~~~~~~
/usr/include/c++/7/istream:124:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:131:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(ios_base& (*__pf)(ios_base&))
       ^~~~~~~~
/usr/include/c++/7/istream:131:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:168:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(bool& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:168:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: cannot bind non-const lvalue reference of type 'bool&' to an rvalue of type 'bool'
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:172:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>] <near match>
       operator>>(short& __n);
       ^~~~~~~~
/usr/include/c++/7/istream:172:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'short int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(short int)(y1 + ((sizetype)i))' to 'short int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:175:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(unsigned short& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:175:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'short unsigned int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(short unsigned int)(y1 + ((sizetype)i))' to 'short unsigned int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:179:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>] <near match>
       operator>>(int& __n);
       ^~~~~~~~
/usr/include/c++/7/istream:179:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(int)(y1 + ((sizetype)i))' to 'int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:182:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(unsigned int& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:182:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'unsigned int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(unsigned int)(y1 + ((sizetype)i))' to 'unsigned int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:186:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:186:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(long int)(y1 + ((sizetype)i))' to 'long int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:190:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(unsigned long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:190:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long unsigned int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(long unsigned int)(y1 + ((sizetype)i))' to 'long unsigned int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:195:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(long long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:195:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(long long int)(y1 + ((sizetype)i))' to 'long long int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:199:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(unsigned long long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:199:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long long unsigned int' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(long long unsigned int)(y1 + ((sizetype)i))' to 'long long unsigned int&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:235:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(void*& __p)
       ^~~~~~~~
/usr/include/c++/7/istream:235:7: note:   conversion of argument 1 would be ill-formed:
chessboard.cpp:36:29: error: invalid conversion from 'double (*)(double) noexcept' to 'void*' [-fpermissive]
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
                         ~~~~^
chessboard.cpp:36:29: error: cannot bind rvalue '(void*)(y1 + ((sizetype)i))' to 'void*&'
In file included from /usr/include/c++/7/sstream:38:0,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/istream:214:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
       operator>>(float& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:214:7: note:   no known conversion for argument 1 from 'double(double) noexcept' to 'float&'
/usr/include/c++/7/istream:218:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
       operator>>(double& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:218:7: note:   no known conversion for argument 1 from 'double(double) noexcept' to 'double&'
/usr/include/c++/7/istream:222:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
       operator>>(long double& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:222:7: note:   no known conversion for argument 1 from 'double(double) noexcept' to 'long double&'
/usr/include/c++/7/istream:259:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]
       operator>>(__streambuf_type* __sb);
       ^~~~~~~~
/usr/include/c++/7/istream:259:7: note:   no known conversion for argument 1 from 'double(double) noexcept' to 'std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:45:0,
                 from chessboard.cpp:1:
/usr/include/c++/7/cstddef:134:5: note: candidate: template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)
     operator>>(byte __b, _IntegerType __shift) noexcept
     ^~~~~~~~
/usr/include/c++/7/cstddef:134:5: note:   template argument deduction/substitution failed:
chessboard.cpp:36:13: note:   cannot convert 'std::cin.std::basic_istream<char>::operator>>(x1[i])' (type 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}') to type 'std::byte'
         cin >> x1[i] >> y1[i] >> x1[i] >> y1[i];
         ~~~~^~~~~~~~
In file included from /usr/include/c++/7/string:53:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from chessboard.cpp:1:
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::bas