답안 #752673

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
752673 2023-06-03T12:09:01 Z Sam_a17 푸드 코트 (JOI21_foodcourt) C++17
13 / 100
1000 ms 244984 KB
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
 
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
 
#define sz(x) (int((x).size()))
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
 
#define pb push_back
#define popf pop_front
#define popb pop_back
#define ld long double
#define ll long long
 
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
void print(long double t) {cerr << t;}
 
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T> void print(T v[],T n) {cerr << "["; for(int i = 0; i < n; i++) {cerr << v[i] << " ";} cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'
 
// for random generations
mt19937 myrand(chrono::steady_clock::now().time_since_epoch().count());
// mt19937 myrand(131);
 
// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};

long long ka() {
	long long x = 0;
	bool z = false;
	while (1)
	{
		char y = getchar();
		if (y == '-')
			z = true;
		else if ('0' <= y && y <= '9')
			x = x * 10 + y - '0';
		else
		{
			if (z)
				x *= -1;
			return x;
		}
	}
}

// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
  fastIO();
 
  if (str != "") {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
  }
}
 
// Indexed Set
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 250005;
long long n, m, q;
vector<pair<long long, pair<long long, long long>>> to_add[N], to_del[N], qq[N];
vector<pair<long long, pair<long long, long long>>> to_add2[N], to_del2[N];
deque<pair<long long, pair<long long, long long>>> st[N];
long long cnt[N];

struct node {
  long long type;
  long long l, r, k, c;
};

vector<node> queries;

struct segTree {
 
  struct node {
    long long value, cur, lazy;
  };

  int size = 1;
  vector<node> tree;

  void init(int s) {
    while(s > size) {
      size *= 2;
    }
    tree.assign(2 * size - 1, {0, 0, 0});
  }

  void propagate(int x, int lx, int rx) {
    if(rx - lx == 1 || !tree[x].lazy) {
      return;
    }

    int mid = (lx + rx) / 2;
    tree[2 * x + 1].value += tree[x].lazy * (mid - lx);
    tree[2 * x + 1].lazy += tree[x].lazy;

    tree[2 * x + 2].value += tree[x].lazy * (rx - mid);
    tree[2 * x + 2].lazy += tree[x].lazy;

    tree[x].lazy = 0;
  }

  void upd(int l, int r, long long value, long long vul, int x, int lx, int rx) {
    propagate(x, lx, rx);
    if(lx >= r || rx <= l) {
      return;
    }

    if(lx >= l && rx <= r) {
      if(value == -1) {
        tree[x].value = 0;
        tree[x].cur = 0;
        tree[x].lazy = 0;
      } else {
        tree[x] = {value, vul, value};
        propagate(x, lx, rx);
      }
      return;
    }

    int mid = (lx + rx) / 2;
    upd(l, r, value, vul, 2 * x + 1, lx, mid);
    upd(l, r, value, vul, 2 * x + 2, mid, rx);
    tree[x].value = tree[2 * x + 1].value + tree[2 * x + 2].value;
  }

  void upd(int l, int r, long long value, long long vul) {
    upd(l, r, value, vul, 0, 0, size);
  }

  pair<long long, long long> qry(long long d, int x, int lx, int rx) {
    propagate(x, lx, rx);
    if(rx - lx == 1) {
      return {tree[x].cur, lx};
    }

    int mid = (lx + rx) / 2;
    if(tree[2 * x + 1].value >= d) {
      return qry(d, 2 * x + 1, lx, mid);
    } else { 
      return qry(d - tree[2 * x + 1].value, 2 * x + 2, mid, rx);
    }
  }

  pair<long long, long long> qry(long long d) {
    if(tree[0].value < d) {
      return {0ll, 0ll};
    }

    return qry(d, 0, 0, size);
  }
};
 
segTree seg;


struct segTreeSum {
  struct node {
    long long value, lazy;
  };

  int size = 1;
  vector<node> tree;

  void init(int s) {
    while(s > size) {
      size *= 2;
    }
    tree.assign(2 * size - 1, {0, 0});
  }

  void propagate(int x, int lx, int rx) {
    if(rx - lx == 1 || !tree[x].lazy) {
      return;
    }

    int mid = (lx + rx) / 2;
    tree[2 * x + 1].value += tree[x].lazy * (mid - lx);
    tree[2 * x + 1].lazy += tree[x].lazy;

    tree[2 * x + 2].value += tree[x].lazy * (rx - mid);
    tree[2 * x + 2].lazy += tree[x].lazy;

    tree[x].lazy = 0;
  }

  void upd(int l, int r, long long value, int x, int lx, int rx) {
    propagate(x, lx, rx);
    if(lx >= r || rx <= l) {
      return;
    }

    if(lx >= l && rx <= r) {
      tree[x] = {tree[x].value + (rx - lx) * value, value};
      propagate(x, lx, rx);
      return;
    }

    int mid = (lx + rx) / 2;
    upd(l, r, value, 2 * x + 1, lx, mid);
    upd(l, r, value, 2 * x + 2, mid, rx);
    tree[x].value = tree[2 * x + 1].value + tree[2 * x + 2].value;
  }

  void upd(int l, int r, long long value) {
    upd(l, r, value, 0, 0, size);
  }

  long long qry(int l, int r, int x, int lx, int rx) {
    propagate(x, lx, rx);
    if(lx >= r || rx <= l) {
      return 0;
    }

    if(lx >= l && rx <= r) {
      return tree[x].value;
    }

    int mid = (lx + rx) / 2;
    long long s1 = qry(l, r, 2 * x + 1, lx, mid);
    long long s2 = qry(l, r, 2 * x + 2, mid, rx);
    return s1 + s2;
  }

  long long qry(int l, int r) {
    return qry(l, r, 0, 0, size);
  }

};
 
segTreeSum seg_sum;

void solve_() {
  cin >> n >> m >> q;

  int oki = 1;
  for(int i = 0; i < q; i++) {
    int type; cin >> type;

    if(type == 1) {
      long long l, r, c, k; 
      cin >> l >> r >> c >> k;
      queries.push_back({type, l, r, k, c});
    } else if(type == 2) {
      long long l, r, k; cin >> l >> r >> k;
      queries.push_back({type, l, r, k, -1});
      oki = 0;
    } else {
      long long l, r; cin >> l >> r;
      queries.push_back({type, l, r, -1, -1});
    }
  }

  // if(oki) {
    seg.init(q + 1);
    seg_sum.init(q + 1);
    vector<long long> answ(q + 1), out(q + 1);
    for(int i = 0; i < q; i++) {
      int type = queries[i].type;
      if(type == 1) {
        long long l = queries[i].l;
        long long r = queries[i].r;
        long long c = queries[i].c;
        long long k = queries[i].k;

        to_add[l].push_back({i, {k, c}});
        to_del[r + 1].push_back({i, {k, c}});
      } else if(type == 3) {
        long long a = queries[i].l;
        long long b = queries[i].r;
        qq[a].push_back({i, {b, -1}});
        out[i] = 1;
      } else {
        long long l = queries[i].l;
        long long r = queries[i].r;
        long long k = queries[i].k;

        to_add2[l].push_back({i, {k, -1}});
        to_del2[r + 1].push_back({i, {k, -1}});
      }
    }

    for(int i = 1; i <= n; i++) {
      for(auto j: to_add[i]) {
        seg.upd(j.first, j.first + 1, j.second.first, j.second.second);
      }

      for(auto j: to_del[i]) {
        seg.upd(j.first, j.first + 1, -1, -1);
      } 
      
      for(auto j: to_add2[i]) {
        seg_sum.upd(j.first, j.first + 1, j.second.first);
      }

      for(auto j: to_del2[i]) {
        seg_sum.upd(j.first, j.first + 1, -j.second.first);
      }

      for(auto j: qq[i]) {
        long long pre = seg_sum.qry(0, j.first + 1);
        dbg(j.second.first + pre)
        auto u = seg.qry(j.second.first + pre);
        dbg(u)
        if(u.first == 0) {
          answ[j.first] = u.first;
        } else if(u.second > j.first) {
          answ[j.first] = 0;
        } else {
          answ[j.first] = u.first;
        }
      }
    }

    for(int i = 0; i < q; i++) {
      if(out[i]) {
        cout << answ[i] << '\n';
      }
    }

  // } else {
  //   long long it = 0, ok = 1;
  //   set<int> not_empty;
  //   vector<bool> have(n + 1);
  //   for(int t = 0; t < q; t++) {
  //     int type = queries[t].type;
  //     if(type == 1) {
  //       long long l, r, c, k;
  //       l = queries[t].l;
  //       r = queries[t].r;
  //       c = queries[t].c;
  //       k = queries[t].k;
  //       for(int i = l; i <= r; i++) {
  //         cnt[i] += k; 
  //         st[i].push_back({it, {c, k}});
  //         if(!have[i]) {
  //           have[i] = true;
  //           not_empty.insert(i);
  //         }
  //       }

  //       if(k != 1) ok = 0;
  //     } else if(type == 2) {
  //       long long l, r, k; 
  //       l = queries[t].l;
  //       r = queries[t].r;
  //       k = queries[t].k;
  //       if(k != 1) ok = 0;

  //       auto it = not_empty.lower_bound(l);
  //       vector<int> to_del;
  //       while(it != not_empty.end() && *it <= r) {
  //         int i = *it;
  //         if(ok) {
  //           if(!st[i].empty()) {
  //             st[i].pop_front();
  //           }  
  //         } else {
  //           long long curr = k;
  //           while(!st[i].empty()) {
  //             if(curr >= st[i].front().second.second) {
  //               curr -= st[i].front().second.second;
  //               st[i].pop_front();
  //             } else {
  //               st[i].front().second.second -= curr;
  //               break;
  //             }
  //           }
  //         }
  //         cnt[i] -= k;
  //         cnt[i] = max(cnt[i], 0ll);
  //         if(cnt[i] == 0) {
  //           to_del.push_back(i);
  //         }
  //         it = next(it);
  //       }

  //       for(auto i: to_del) {
  //         have[i] = false;
  //         not_empty.erase(i);
  //       }

  //     } else {
  //       long long a, b; 
  //       // cin >> a >> b;
  //       a = queries[t].l;
  //       b = queries[t].r;

  //       if(cnt[a] < b) {
  //         cout << 0 << '\n';
  //       } else {
  //         if(ok) {
  //           cout << st[a][b - 1].second.first << '\n';
  //         } else {
  //           for(int i = 0; i < sz(st[a]); i++) {
  //             if(b > st[a][i].second.second) {
  //               b -= st[a][i].second.second;
  //             } else {
  //               cout << st[a][i].second.first << '\n';
  //               break;
  //             }
  //           }
  //         }
  //       }
  //     }
  //     it++;
  //   }
  // }
}
 
int main() {
  setIO();
  
  auto solve = [&](int test_case)-> void {
    while(test_case--) {
      solve_();
    }
  };
 
  int test_cases = 1; 
  // cin >> test_cases;
  solve(test_cases);
 
  return 0;
}

Compilation message

foodcourt.cpp: In function 'void solve_()':
foodcourt.cpp:273:7: warning: variable 'oki' set but not used [-Wunused-but-set-variable]
  273 |   int oki = 1;
      |       ^~~
foodcourt.cpp: In function 'void setIO(std::string)':
foodcourt.cpp:88:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:89:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 133 ms 194380 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 133 ms 194380 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 517 ms 208252 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1112 ms 244984 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 133 ms 194380 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 613 ms 208268 KB Output is correct
2 Correct 641 ms 209072 KB Output is correct
3 Correct 641 ms 209408 KB Output is correct
4 Correct 495 ms 206296 KB Output is correct
5 Correct 595 ms 207808 KB Output is correct
6 Correct 633 ms 209396 KB Output is correct
7 Correct 606 ms 208096 KB Output is correct
8 Correct 561 ms 208112 KB Output is correct
9 Correct 607 ms 209172 KB Output is correct
10 Correct 478 ms 206372 KB Output is correct
11 Correct 625 ms 209236 KB Output is correct
12 Correct 664 ms 209268 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 133 ms 194380 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 133 ms 194380 KB Output isn't correct
2 Halted 0 ms 0 KB -