제출 #835527

#제출 시각아이디문제언어결과실행 시간메모리
835527HappyPacManGarden (JOI23_garden)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; const int INF = 1e9; const int MAXD = 5e3; bool checked[MAXD][MAXD]; int minimum_cells(int N, int M, int D, vector<int> P, vector<int> Q, vector<int> R, vector<int> S) { short cnt[D],must[D]; vector<short> base[D]; vector<pair<short,short> > added[D]; memset(cnt,0,sizeof(cnt)); memset(must,0,sizeof(must)); short nxt[2*D],rev[2*D]; for(int i=0;i<M;i++){ checked[S[i]][R[i]] = true; } for(int i=0;i<D;i++){ for(int j=0;j<D;j++){ if(checked[i][j]){ base[i].push_back(j); } } if(base[i].size()){ for(int j=0,k=0;j<D;j++){ added[j].emplace_back(i,base[i][(k-1+base[i].size())%base[i].size()]); if(j == base[i][k]){ k++; } } } } for(int i=0;i<N;i++){ must[P[i]] = true; cnt[Q[i]] = true; } short aaa = 0; for(short i=0;i<D;i++){ aaa += must[i]; } int ans = INF; for(short i=0;i<D;i++){ memset(nxt,-1,sizeof(nxt)); memset(rev,-1,sizeof(rev)); vector<short> calc[D]; for(auto [x,y] : added[i]){ calc[y].push_back(x); } for(short j=0;j<D;j++){ for(short it : calc[j]){ cnt[it]++; } } vector<short> st; for(short j=0;j<D;j++){ if(cnt[j]){ st.push_back(j); } } for(short j=0;j<D;j++){ if(cnt[j]){ st.push_back(j+D); } } short last = -1, dist = 0; for(short it : st){ if(last != -1){ nxt[last] = it; rev[it] = last; dist = max(dist,(short)(it-last)); } last = it; } short sum = 0; for(short j=0;j<D;j++){ short k = i+j; if(k >= D){ k -= D; } for(short it : calc[k]){ cnt[it]--; if(cnt[it] == 0){ if(rev[it] != -1){ nxt[rev[it]] = nxt[it]; } if(nxt[it] != -1){ rev[nxt[it]] = rev[it]; } if(rev[it] != -1 && nxt[it] != -1){ dist = max(dist,(short)(nxt[it]-rev[it])); } if(rev[it+D] != -1){ nxt[rev[it+D]] = nxt[it+D]; } if(nxt[it] != -1){ rev[nxt[it+D]] = rev[it+D]; } if(rev[it+D] != -1 && nxt[it+D] != -1){ dist = max(dist,(short)(nxt[it+D]-rev[it+D])); } } } sum += must[k]; if(sum == aaa){ ans = min(ans,(j+1)*(D-dist+1)); } } } return ans; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int N,M,D; cin >> N >> M >> D; vector<int> P(N),Q(N),R(M),S(M); for(int i=0;i<N;i++){ cin >> P[i] >> Q[i]; } for(int j=0;j<M;j++){ cin >> R[i] >> S[i]; } cout << minimum_cells(N,M,D,P,Q,R,S) << "\n"; }

컴파일 시 표준 에러 (stderr) 메시지

garden.cpp: In function 'int minimum_cells(int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
garden.cpp:45:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   45 |   for(auto [x,y] : added[i]){
      |            ^
garden.cpp: In function 'int main()':
garden.cpp:122:18: error: 'i' was not declared in this scope
  122 |         cin >> R[i] >> S[i];
      |                  ^