제출 #963575

#제출 시각아이디문제언어결과실행 시간메모리
963575Trisanu_DasGarden (JOI23_garden)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define REP(i, s, e) for (int i = (s); i < (e); i++) #define RREP(i, s, e) for (int i = (s); i >= (e); i--) template <class T> inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;} template <class T> inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;} typedef unsigned long long ull; typedef long long ll; typedef long double ld; #define FI first #define SE second typedef pair<int, int> ii; typedef pair<ll, ll> pll; typedef tuple<int, int, int> iii; #define ALL(_a) _a.begin(), _a.end() #define SZ(_a) (int) _a.size() #define pb push_back typedef vector<int> vi; typedef vector<ll> vll; typedef vector<ii> vii; typedef vector<iii> viii; #ifndef DEBUG #define cerr if (0) cerr #endif const int INF = 1000000005; const ll LINF = 1000000000000000005ll; const int MAXN = 500005; const int MAXD = 5005; int n, m, d; int p[MAXN * 2], q[MAXN * 2]; ii rs[MAXN * 2]; int occ[MAXD * 2]; set<int> st; multiset<int> gap; int ans; int calcgap(int r, int l) { if (r > l) return r - l; return r - l + d; } void insert(int v) { if (occ[v]++ > 0) return; auto ptr = st.insert(v).FI; if (SZ(st) == 1) { gap.insert(0); return; } auto prv = prev(st.end()); if (ptr != st.begin()) prv = prev(ptr); auto nxt = next(ptr); if (nxt == st.end()) nxt = st.begin(); if (prv == nxt) gap.erase(gap.find(0)); else gap.erase(gap.find(calcgap(*prv, *nxt))); gap.insert(calcgap(*prv, *ptr)); gap.insert(calcgap(*ptr, *nxt)); } void remove(int v) { if (--occ[v] > 0) return; auto ptr = st.find(v); auto prv = prev(st.end()); if (ptr != st.begin()) prv = prev(ptr); auto nxt = next(ptr); if (nxt == st.end()) nxt = st.begin(); gap.erase(gap.find(calcgap(*prv, *ptr))); gap.erase(gap.find(calcgap(*ptr, *nxt))); if (prv == nxt) gap.insert(0); else gap.insert(calcgap(*prv, *nxt)); st.erase(ptr); } int main() { ios::sync_with_stdio(0), cin.tie(0); cin >> n >> m >> d; REP (i, 0, n) cin >> p[i] >> q[i]; REP (i, 0, m) >> rs[i].FI >> rs[i].SE; sort(rs, rs + m); REP (i, m, 2 * m) { rs[i] = rs[i - m]; rs[i].FI += d; } sort(p, p + n); REP (i, n, 2 * n) [i] = p[i - n] + d; REP (i, 0, n) insert(q[i]); int rptr = 0, pptr = 0; ans = INF; REP (i, 0, d) { while (rs[rptr].FI < i) rptr++; while (p[pptr] < i) pptr++; int ptr = rptr + m - 1; RREP (j, i + d - 1, max(i, p[pptr + n - 1])) { while (ptr >= rptr && rs[ptr].FI > j) insert(rs[ptr--].SE); mnto(ans, (j - i + 1) * (*gap.begin() + 1)); } while (ptr < rptr + m - 1) remove(rs[++ptr].SE); } cout << ans << '\n'; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

garden.cpp: In function 'int main()':
garden.cpp:82:20: error: expected primary-expression before '>>' token
   82 |     REP (i, 0, m)  >> rs[i].FI >> rs[i].SE;
      |                    ^~
garden.cpp: In lambda function:
garden.cpp:89:27: error: expected '{' before '=' token
   89 |     REP (i, n, 2 * n) [i] = p[i - n] + d;
      |                           ^
garden.cpp: In function 'int main()':
garden.cpp:89:40: error: no match for 'operator=' (operand types are 'main()::<lambda()>' and 'int')
   89 |     REP (i, n, 2 * n) [i] = p[i - n] + d;
      |                                        ^
garden.cpp:89:25: note: candidate: 'main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)' (deleted)
   89 |     REP (i, n, 2 * n) [i] = p[i - n] + d;
      |                         ^
garden.cpp:89:25: note:   no known conversion for argument 1 from 'int' to 'const main()::<lambda()>&'