Submission #217042

# Submission time Handle Problem Language Result Execution time Memory
217042 2020-03-28T18:26:08 Z sevlll Strange Device (APIO19_strange_device) C++17
Compilation error
0 ms 0 KB
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <queue>
#include <bitset>

#define pb push_back
#define int long long
#define int2 __int128_t
#define str string
using namespace std;
const int M = 1e9 + 7;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, a, b;
    cin >> n >> a >> b;
    vector<pair<int2, int2>> pr(n);
    for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
    int2 g = gcd(a, b + 1);
    a /= g;
    int2 num = a * b;
    vector<pair<int2, int2>> ev;
    for (auto p : pr) {
        int2 l = p.first, r = p.second;
        if (r - l >= num - 1) {
            cout << (int) num;
            return 0;
        }
        l %= num;
        r %= num;
        if (r < l) {
            ev.pb({l, 1});
            ev.pb({num, -1});
            ev.pb({0, 1});
            ev.pb({r + 1, -1});
        } else {
            ev.pb({l, 1});
            ev.pb({r + 1, -1});
        }
    }
    sort(ev.begin(), ev.end());
    int2 bal = 0;
    int2 last = 0;
    int ans = 0;
    for (auto p : ev) {
        for (auto p : ev) {
            int2 x = p.first;
            int2 type = p.second;
            if (bal) {
                ans += (x - last);
            }
            last = x;
            bal += type;
        }
        cout << ans;
    }

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:36:37: error: no match for 'operator>>' (operand types are 'std::istream {aka std::basic_istream<char>}' and '__int128')
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                 ~~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'bool&' to an rvalue of type 'bool'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'short int&' to an rvalue of type 'short int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to an rvalue of type 'short unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'int&' to an rvalue of type 'int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'unsigned int&' to an rvalue of type 'unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long int&' to an rvalue of type 'long int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to an rvalue of type 'long unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long long int&' to an rvalue of type 'long long int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to an rvalue of type 'long long unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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>] <near match>
       operator>>(float& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:214:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'float&' to an rvalue of type 'float'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/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>] <near match>
       operator>>(double& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:218:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'double&' to an rvalue of type 'double'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/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>] <near match>
       operator>>(long double& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:222:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long double&' to an rvalue of type 'long double'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.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:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'void*' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
strange_device.cpp:36:46: error: cannot bind rvalue '(void*)((long int)pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first)' to 'void*&'
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/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>] <near match>
       operator>>(__streambuf_type* __sb);
       ^~~~~~~~
/usr/include/c++/7/istream:259:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
strange_device.cpp:36:37: note: candidate: operator>>(int, __int128) <built-in>
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                 ~~~~^~~~~~~~~~~~~~
strange_device.cpp:36:37: note:   no known conversion for argument 1 from 'std::istream {aka std::basic_istream<char>}' to 'int'
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/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from strange_device.cpp:1:
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and '__int128'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                              ^~~~~
In file included from /usr/include/c++/7/istream:991:0,
                 from /usr/include/c++/7/iostream:40,
                 from strange_device.cpp:1:
/usr/include/c++/7/bits/istream.tcc:963:5: note: candidate: template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:963:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   mismatched types '_CharT2*' and '__int128'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                              ^~~~~
In file included from /usr/include/c++/7/istream:991:0,
                 from /usr/include/c++/7/iostream:40,
                 from strange_device.cpp:1:
/usr/include/c++/7/bits/istream.tcc:931:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:931:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   deduced conflicting types for parameter '_CharT' ('char' and '__int128')
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                              ^~~~~
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/istream:756:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:756:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   cannot convert 'pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first' (type '__int128') to type 'unsigned char&'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/istream:761:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)
     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:761:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   cannot convert 'pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first' (type '__int128') to type 'signed char&'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/istream:803:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
     ^~~~~~~~
/usr/include/c++/7/istream:803:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   cannot convert 'pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first' (type '__int128') to type 'unsigned char*'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 fr