제출 #781773

#제출 시각아이디문제언어결과실행 시간메모리
781773devariaota이상한 기계 (APIO19_strange_device)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> pll; const ll MAX = 1e18; vector<pll> vec; // {Left, Right} ll n, a, b, length, ans = 0, cnt = 0; set<pll> st; void solve() { while(n--) { for (ll i = l; i <= r; ++i) { pll hasil = {(i + (i/b)) % a, i % b}; st.insert(hasil); } } cout << st.size() << "\n"; } void opr(ll l, ll r) { ll pushl = min(l, r); ll pushr = max(l, r); if (pushl == 0) { // pushl = length; } if (pushr == 0) { // pushr = length; } vec.push_back({pushl, pushr}); } void answer() { sort(vec.begin(), vec.end()); ll idx = -1; for (int i = 0; i < vec.size(); ++i) { // cout << vec[i].first << " " << vec[i].second << "\n"; pll now = vec[i]; if (now.second < now.first) { continue ; } if (idx >= now.first) { if (now.second <= idx) { continue ; } else { idx++; ans += now.second - idx + 1; idx = now.second; } } else { idx = now.first; ans += now.second - idx + 1; idx = now.second; } } cout << ans << "\n"; } int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cin >> n >> a >> b; unsigned long long lebek; if (a == 1) { lebek = b; } else { if (a % 2) { lebek = a * b; } else { lebek = (a/2) * b; } } length = lebek; length = min(length, MAX); for (int i = 0; i < n; ++i) { ll nowl, nowr; cin >> nowl >> nowr; cnt += nowr-nowl+1; if (nowr-nowl+1 >= length) { cout << length << "\n"; return 0; } if (nowl/length != nowr/length) { opr(nowl % length + 1, length); opr(1, nowr % length + 1); } else { opr(nowl % length + 1, nowr % length + 1); } } if (cnt <= 1e6) { solve(); return 0; } answer(); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

strange_device.cpp: In function 'void solve()':
strange_device.cpp:15:17: error: 'l' was not declared in this scope
   15 |     for (ll i = l; i <= r; ++i)
      |                 ^
strange_device.cpp:15:25: error: 'r' was not declared in this scope
   15 |     for (ll i = l; i <= r; ++i)
      |                         ^
strange_device.cpp: In function 'void answer()':
strange_device.cpp:44:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   for (int i = 0; i < vec.size(); ++i)
      |                   ~~^~~~~~~~~~~~