oj.uz

답안 #752662

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
752662 2023-06-03T11:39:29 Z Sam_a17 푸드 코트 (JOI21_foodcourt) C++17
14 / 100
 1000 ms 327984 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<int, pair<int, int>>> to_add[N], to_del[N], qq[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] = {tree[x].value + (rx - lx) * 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 + 1, 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;

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

        to_add[l].push_back({i, {k, c}});
        to_del[r + 1].push_back({i, {k, c}});
      } else {
        int a = queries[i].l;
        int b = queries[i].r;
        qq[a].push_back({i, {b, -1}});
        out[i] = 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: qq[i]) {
        auto u = seg.qry(j.second.first);
        if(u.first == 0) {
          answ[j.first] = u.first;
        } else if(u.second > i) {
          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 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);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 121 ms 182988 KB Output is correct
2 Correct 140 ms 183576 KB Output is correct
3 Correct 128 ms 193204 KB Output is correct
4 Correct 136 ms 198860 KB Output is correct
5 Correct 116 ms 182372 KB Output is correct
6 Correct 108 ms 182436 KB Output is correct
7 Correct 145 ms 201084 KB Output is correct
8 Correct 143 ms 194616 KB Output is correct
9 Correct 136 ms 183624 KB Output is correct
10 Correct 138 ms 193580 KB Output is correct
11 Correct 146 ms 189604 KB Output is correct
12 Correct 135 ms 183836 KB Output is correct
13 Correct 133 ms 184320 KB Output is correct
14 Correct 142 ms 185820 KB Output is correct
15 Correct 154 ms 186484 KB Output is correct
16 Correct 148 ms 184436 KB Output is correct
17 Correct 126 ms 182796 KB Output is correct
18 Correct 132 ms 183248 KB Output is correct
19 Correct 116 ms 182416 KB Output is correct
20 Correct 105 ms 182492 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 121 ms 182988 KB Output is correct
2 Correct 140 ms 183576 KB Output is correct
3 Correct 128 ms 193204 KB Output is correct
4 Correct 136 ms 198860 KB Output is correct
5 Correct 116 ms 182372 KB Output is correct
6 Correct 108 ms 182436 KB Output is correct
7 Correct 145 ms 201084 KB Output is correct
8 Correct 143 ms 194616 KB Output is correct
9 Correct 136 ms 183624 KB Output is correct
10 Correct 138 ms 193580 KB Output is correct
11 Correct 146 ms 189604 KB Output is correct
12 Correct 135 ms 183836 KB Output is correct
13 Correct 133 ms 184320 KB Output is correct
14 Correct 142 ms 185820 KB Output is correct
15 Correct 154 ms 186484 KB Output is correct
16 Correct 148 ms 184436 KB Output is correct
17 Correct 126 ms 182796 KB Output is correct
18 Correct 132 ms 183248 KB Output is correct
19 Correct 116 ms 182416 KB Output is correct
20 Correct 105 ms 182492 KB Output is correct
21 Correct 148 ms 183504 KB Output is correct
22 Correct 134 ms 183884 KB Output is correct
23 Correct 138 ms 193348 KB Output is correct
24 Correct 142 ms 199036 KB Output is correct
25 Correct 106 ms 182448 KB Output is correct
26 Correct 117 ms 182448 KB Output is correct
27 Correct 159 ms 200320 KB Output is correct
28 Correct 163 ms 195636 KB Output is correct
29 Correct 140 ms 186304 KB Output is correct
30 Correct 141 ms 193408 KB Output is correct
31 Correct 146 ms 189344 KB Output is correct
32 Correct 143 ms 183664 KB Output is correct
33 Correct 148 ms 184140 KB Output is correct
34 Correct 163 ms 186676 KB Output is correct
35 Correct 146 ms 185048 KB Output is correct
36 Correct 166 ms 184396 KB Output is correct
37 Correct 102 ms 182356 KB Output is correct
38 Correct 103 ms 182380 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 158 ms 185596 KB Output is correct
2 Correct 163 ms 185484 KB Output is correct
3 Correct 169 ms 185524 KB Output is correct
4 Correct 178 ms 185488 KB Output is correct
5 Correct 196 ms 185528 KB Output is correct
6 Correct 197 ms 185528 KB Output is correct
7 Correct 127 ms 184980 KB Output is correct
8 Correct 126 ms 185028 KB Output is correct
9 Correct 158 ms 186084 KB Output is correct
10 Correct 153 ms 185524 KB Output is correct
11 Correct 155 ms 185764 KB Output is correct
12 Correct 150 ms 185532 KB Output is correct
13 Correct 168 ms 185172 KB Output is correct
14 Correct 175 ms 185656 KB Output is correct
15 Correct 206 ms 185468 KB Output is correct
16 Correct 203 ms 185676 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1100 ms 327984 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 121 ms 182988 KB Output is correct
2 Correct 140 ms 183576 KB Output is correct
3 Correct 128 ms 193204 KB Output is correct
4 Correct 136 ms 198860 KB Output is correct
5 Correct 116 ms 182372 KB Output is correct
6 Correct 108 ms 182436 KB Output is correct
7 Correct 145 ms 201084 KB Output is correct
8 Correct 143 ms 194616 KB Output is correct
9 Correct 136 ms 183624 KB Output is correct
10 Correct 138 ms 193580 KB Output is correct
11 Correct 146 ms 189604 KB Output is correct
12 Correct 135 ms 183836 KB Output is correct
13 Correct 133 ms 184320 KB Output is correct
14 Correct 142 ms 185820 KB Output is correct
15 Correct 154 ms 186484 KB Output is correct
16 Correct 148 ms 184436 KB Output is correct
17 Correct 126 ms 182796 KB Output is correct
18 Correct 132 ms 183248 KB Output is correct
19 Correct 116 ms 182416 KB Output is correct
20 Correct 105 ms 182492 KB Output is correct
21 Correct 158 ms 185596 KB Output is correct
22 Correct 163 ms 185484 KB Output is correct
23 Correct 169 ms 185524 KB Output is correct
24 Correct 178 ms 185488 KB Output is correct
25 Correct 196 ms 185528 KB Output is correct
26 Correct 197 ms 185528 KB Output is correct
27 Correct 127 ms 184980 KB Output is correct
28 Correct 126 ms 185028 KB Output is correct
29 Correct 158 ms 186084 KB Output is correct
30 Correct 153 ms 185524 KB Output is correct
31 Correct 155 ms 185764 KB Output is correct
32 Correct 150 ms 185532 KB Output is correct
33 Correct 168 ms 185172 KB Output is correct
34 Correct 175 ms 185656 KB Output is correct
35 Correct 206 ms 185468 KB Output is correct
36 Correct 203 ms 185676 KB Output is correct
37 Execution timed out 1088 ms 215020 KB Time limit exceeded
38 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 169 ms 190388 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 121 ms 182988 KB Output is correct
2 Correct 140 ms 183576 KB Output is correct
3 Correct 128 ms 193204 KB Output is correct
4 Correct 136 ms 198860 KB Output is correct
5 Correct 116 ms 182372 KB Output is correct
6 Correct 108 ms 182436 KB Output is correct
7 Correct 145 ms 201084 KB Output is correct
8 Correct 143 ms 194616 KB Output is correct
9 Correct 136 ms 183624 KB Output is correct
10 Correct 138 ms 193580 KB Output is correct
11 Correct 146 ms 189604 KB Output is correct
12 Correct 135 ms 183836 KB Output is correct
13 Correct 133 ms 184320 KB Output is correct
14 Correct 142 ms 185820 KB Output is correct
15 Correct 154 ms 186484 KB Output is correct
16 Correct 148 ms 184436 KB Output is correct
17 Correct 126 ms 182796 KB Output is correct
18 Correct 132 ms 183248 KB Output is correct
19 Correct 116 ms 182416 KB Output is correct
20 Correct 105 ms 182492 KB Output is correct
21 Correct 148 ms 183504 KB Output is correct
22 Correct 134 ms 183884 KB Output is correct
23 Correct 138 ms 193348 KB Output is correct
24 Correct 142 ms 199036 KB Output is correct
25 Correct 106 ms 182448 KB Output is correct
26 Correct 117 ms 182448 KB Output is correct
27 Correct 159 ms 200320 KB Output is correct
28 Correct 163 ms 195636 KB Output is correct
29 Correct 140 ms 186304 KB Output is correct
30 Correct 141 ms 193408 KB Output is correct
31 Correct 146 ms 189344 KB Output is correct
32 Correct 143 ms 183664 KB Output is correct
33 Correct 148 ms 184140 KB Output is correct
34 Correct 163 ms 186676 KB Output is correct
35 Correct 146 ms 185048 KB Output is correct
36 Correct 166 ms 184396 KB Output is correct
37 Correct 102 ms 182356 KB Output is correct
38 Correct 103 ms 182380 KB Output is correct
39 Correct 158 ms 185596 KB Output is correct
40 Correct 163 ms 185484 KB Output is correct
41 Correct 169 ms 185524 KB Output is correct
42 Correct 178 ms 185488 KB Output is correct
43 Correct 196 ms 185528 KB Output is correct
44 Correct 197 ms 185528 KB Output is correct
45 Correct 127 ms 184980 KB Output is correct
46 Correct 126 ms 185028 KB Output is correct
47 Correct 158 ms 186084 KB Output is correct
48 Correct 153 ms 185524 KB Output is correct
49 Correct 155 ms 185764 KB Output is correct
50 Correct 150 ms 185532 KB Output is correct
51 Correct 168 ms 185172 KB Output is correct
52 Correct 175 ms 185656 KB Output is correct
53 Correct 206 ms 185468 KB Output is correct
54 Correct 203 ms 185676 KB Output is correct
55 Execution timed out 1088 ms 215020 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 121 ms 182988 KB Output is correct
2 Correct 140 ms 183576 KB Output is correct
3 Correct 128 ms 193204 KB Output is correct
4 Correct 136 ms 198860 KB Output is correct
5 Correct 116 ms 182372 KB Output is correct
6 Correct 108 ms 182436 KB Output is correct
7 Correct 145 ms 201084 KB Output is correct
8 Correct 143 ms 194616 KB Output is correct
9 Correct 136 ms 183624 KB Output is correct
10 Correct 138 ms 193580 KB Output is correct
11 Correct 146 ms 189604 KB Output is correct
12 Correct 135 ms 183836 KB Output is correct
13 Correct 133 ms 184320 KB Output is correct
14 Correct 142 ms 185820 KB Output is correct
15 Correct 154 ms 186484 KB Output is correct
16 Correct 148 ms 184436 KB Output is correct
17 Correct 126 ms 182796 KB Output is correct
18 Correct 132 ms 183248 KB Output is correct
19 Correct 116 ms 182416 KB Output is correct
20 Correct 105 ms 182492 KB Output is correct
21 Correct 148 ms 183504 KB Output is correct
22 Correct 134 ms 183884 KB Output is correct
23 Correct 138 ms 193348 KB Output is correct
24 Correct 142 ms 199036 KB Output is correct
25 Correct 106 ms 182448 KB Output is correct
26 Correct 117 ms 182448 KB Output is correct
27 Correct 159 ms 200320 KB Output is correct
28 Correct 163 ms 195636 KB Output is correct
29 Correct 140 ms 186304 KB Output is correct
30 Correct 141 ms 193408 KB Output is correct
31 Correct 146 ms 189344 KB Output is correct
32 Correct 143 ms 183664 KB Output is correct
33 Correct 148 ms 184140 KB Output is correct
34 Correct 163 ms 186676 KB Output is correct
35 Correct 146 ms 185048 KB Output is correct
36 Correct 166 ms 184396 KB Output is correct
37 Correct 102 ms 182356 KB Output is correct
38 Correct 103 ms 182380 KB Output is correct
39 Correct 158 ms 185596 KB Output is correct
40 Correct 163 ms 185484 KB Output is correct
41 Correct 169 ms 185524 KB Output is correct
42 Correct 178 ms 185488 KB Output is correct
43 Correct 196 ms 185528 KB Output is correct
44 Correct 197 ms 185528 KB Output is correct
45 Correct 127 ms 184980 KB Output is correct
46 Correct 126 ms 185028 KB Output is correct
47 Correct 158 ms 186084 KB Output is correct
48 Correct 153 ms 185524 KB Output is correct
49 Correct 155 ms 185764 KB Output is correct
50 Correct 150 ms 185532 KB Output is correct
51 Correct 168 ms 185172 KB Output is correct
52 Correct 175 ms 185656 KB Output is correct
53 Correct 206 ms 185468 KB Output is correct
54 Correct 203 ms 185676 KB Output is correct
55 Execution timed out 1100 ms 327984 KB Time limit exceeded
56 Halted 0 ms 0 KB -