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답안 #1089099

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1089099 2024-09-16T04:58:10 Z coldbr3w 푸드 코트 (JOI21_foodcourt) C++17
14 / 100
 1000 ms 81832 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define pll pair<long long, long long>
#define pb push_back
#define F first
#define S second  
#define all(x) (x).begin(), (x).end()
 
const ll N = 3e5 + 100;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const ll blocks = 350;
ll n,m,q;
vector<pll>t[N], ask[N];
ll g[N], res[N], add[N], ok[N];
struct segment_tree_min{
    ll n;
    vector<pair<ll,int>>st;
	vector<ll> lz;
    void init(int _n){
        n = _n;
        st.clear(); st.resize(4 * n + 10);
        lz.clear(); lz.resize(4 * n + 10, 0);
		build(1,1,n);
    }
	void build(int id, int l, int r){
		if(l == r){
			st[id] = {0, l};
			return;
		}
		int mid = (l + r) / 2;
		build(2 * id, l, mid); build(2 * id + 1, mid + 1, r);
		st[id] = min(st[2 * id], st[2 * id + 1]);
	}
    void down(int id, int l, int r){
        st[id].F += lz[id];
        if(l != r) lz[2 * id] += lz[id], lz[2 * id + 1] += lz[id];
        lz[id] = 0;
    }
    void update(int id, int l, int r, int left, int right, ll val){
        down(id, l, r);
        if(l > right || r < left) return;
        if(left <= l && r <= right){
            lz[id] += val;
            down(id, l, r);
            return;
        }
        int mid = (l + r) / 2;
        update(2 * id, l, mid, left, right, val);
        update(2 * id + 1, mid + 1, r, left, right, val);
        st[id] = min(st[2 * id], st[2 * id + 1]);
    }
    pair<ll,int> get(int id, int l, int r, int left, int right){
        down(id, l, r);
        if(l > right || r < left) return {inf, inf};
        if(left <= l && r <= right) return st[id];
        int mid = (l + r) / 2;
        return min(get(2 * id, l, mid, left, right), get(2 * id + 1, mid + 1, r, left, right));
    }
    void update(ll l, ll r, ll val){update(1,1,n,l,r,val);}
    pll get(ll l, ll r){return get(1,1,n,l,r);}
} stmin;
struct segment_tree_sum{
	ll n;
    vector<ll>st, lz;
    void init(ll _n){
        n = _n;
        st.clear(); st.resize(4 * n + 10, 0);
        lz.clear(); lz.resize(4 * n + 10, 0);
    }
    void down(ll id, ll l, ll r){
        st[id] += lz[id] * (r - l + 1);
		ll mid = (l + r) / 2;
        if(l != r) lz[2 * id] += lz[id], lz[2 * id + 1] += lz[id];
        lz[id] = 0;
    }
    void update(ll id, ll l, ll r, ll left, ll right, ll val){
        down(id, l, r);
        if(l > right || r < left) return;
        if(left <= l && r <= right){
            lz[id] += val;
            down(id, l, r);
            return;
        }
        ll mid = (l + r) / 2;
        update(2 * id, l, mid, left, right, val);
        update(2 * id + 1, mid + 1, r, left, right, val);
        st[id] = st[2 * id] + st[2 * id + 1];
    }
    ll get(ll id, ll l, ll r, ll left, ll right){
        down(id, l, r);
        if(l > right || r < left) return 0;
        if(left <= l && r <= right) return st[id];
        ll mid = (l + r) / 2;
        return get(2 * id, l, mid, left, right) + get(2 * id + 1, mid + 1, r, left, right);
    }
	ll walk(ll id, ll l, ll r, ll pos, ll val){
		down(id, l, r);
		if(r < pos || st[id] < val) return -1;
		if(l == r) return l;
		ll mid = (l + r) / 2;
		ll res = -1;
		down(2 * id, l, mid); down(2 * id + 1, mid + 1, r);
		if(st[2 * id]) res = walk(2 * id, l, mid, pos, val);
		if(res == -1) res = walk(2 * id + 1, mid + 1, r, pos, val);
		return res;
	}
	ll walk(ll pos, ll val){return walk(1,1,n,pos,val);}
    void update(ll l, ll r, ll val){update(1,1,n,l,r,val);}
    ll get(ll l, ll r){return get(1,1,n,l,r);}
} st1, st2;
void to_thic_cau(){
	cin >> n >> m >> q;
	st1.init(q); st2.init(q); stmin.init(q);
	for(int i = 1; i <= q;i++){
		ll typ; cin >> typ;
		if(typ == 1){
			ll l,r,c,k; cin >> l >> r >> c >> k;
			g[i] = c; add[i] = 1;
			t[l].pb({i, k}); t[r + 1].pb({i, -k});
		}
		else if(typ == 2){
			ll l,r,k; cin >> l >> r >> k;
			t[l].pb({i, -k}); t[r+1].pb({i, k});
		}
		else{
			ok[i] = 1;
			ll a,b; cin >> a >> b;
			ask[a].pb({b, i});
		}
	}	
	for(int i = 1; i <= n;i++){
		for(auto x : t[i]){
			ll j = x.F, k = x.S;
			stmin.update(j, q, k);
			if(add[j]) st1.update(j, q, k); 
			else st2.update(j, q, -k);
		}
		for(auto x : ask[i]){
			ll v = x.F, j = x.S;
			pll cur = min(make_pair(0ll,0ll), stmin.get(1, j));
			if(stmin.get(j, j).F < cur.F + v) continue;
			v += st2.get(j, j) + cur.F;
			res[j] = g[st1.walk(cur.S + 1, v)];	
		}
	}
	for(int i = 1; i <= q;i++) if(ok[i]) cout << res[i] << " ";
	cout << '\n';
}
 
signed main()   
{ 
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	ll tc = 1;
	//cin >> tc;
	while(tc--) to_thic_cau();
}

Compilation message

foodcourt.cpp: In member function 'void segment_tree_sum::down(long long int, long long int, long long int)':
foodcourt.cpp:75:6: warning: unused variable 'mid' [-Wunused-variable]
   75 |   ll mid = (l + r) / 2;
      |      ^~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14936 KB Output is correct
2 Correct 11 ms 14940 KB Output is correct
3 Correct 8 ms 14940 KB Output is correct
4 Correct 10 ms 14952 KB Output is correct
5 Correct 9 ms 14940 KB Output is correct
6 Correct 9 ms 15076 KB Output is correct
7 Correct 10 ms 14940 KB Output is correct
8 Correct 9 ms 14940 KB Output is correct
9 Correct 9 ms 15180 KB Output is correct
10 Correct 10 ms 15108 KB Output is correct
11 Correct 10 ms 14940 KB Output is correct
12 Correct 9 ms 15184 KB Output is correct
13 Correct 8 ms 14940 KB Output is correct
14 Correct 11 ms 15200 KB Output is correct
15 Correct 8 ms 14940 KB Output is correct
16 Correct 9 ms 15196 KB Output is correct
17 Correct 8 ms 15084 KB Output is correct
18 Correct 9 ms 14940 KB Output is correct
19 Correct 9 ms 14940 KB Output is correct
20 Correct 9 ms 15136 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14936 KB Output is correct
2 Correct 11 ms 14940 KB Output is correct
3 Correct 8 ms 14940 KB Output is correct
4 Correct 10 ms 14952 KB Output is correct
5 Correct 9 ms 14940 KB Output is correct
6 Correct 9 ms 15076 KB Output is correct
7 Correct 10 ms 14940 KB Output is correct
8 Correct 9 ms 14940 KB Output is correct
9 Correct 9 ms 15180 KB Output is correct
10 Correct 10 ms 15108 KB Output is correct
11 Correct 10 ms 14940 KB Output is correct
12 Correct 9 ms 15184 KB Output is correct
13 Correct 8 ms 14940 KB Output is correct
14 Correct 11 ms 15200 KB Output is correct
15 Correct 8 ms 14940 KB Output is correct
16 Correct 9 ms 15196 KB Output is correct
17 Correct 8 ms 15084 KB Output is correct
18 Correct 9 ms 14940 KB Output is correct
19 Correct 9 ms 14940 KB Output is correct
20 Correct 9 ms 15136 KB Output is correct
21 Correct 10 ms 14940 KB Output is correct
22 Correct 11 ms 14940 KB Output is correct
23 Correct 10 ms 15144 KB Output is correct
24 Correct 11 ms 14944 KB Output is correct
25 Correct 9 ms 14936 KB Output is correct
26 Correct 8 ms 14940 KB Output is correct
27 Correct 9 ms 14940 KB Output is correct
28 Correct 9 ms 14940 KB Output is correct
29 Correct 9 ms 15128 KB Output is correct
30 Correct 9 ms 14940 KB Output is correct
31 Correct 10 ms 14940 KB Output is correct
32 Correct 9 ms 15160 KB Output is correct
33 Correct 7 ms 14940 KB Output is correct
34 Correct 9 ms 15200 KB Output is correct
35 Correct 9 ms 14940 KB Output is correct
36 Correct 9 ms 15204 KB Output is correct
37 Correct 7 ms 14940 KB Output is correct
38 Correct 8 ms 15184 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 33244 KB Output is correct
2 Correct 95 ms 33364 KB Output is correct
3 Correct 96 ms 33104 KB Output is correct
4 Correct 91 ms 33108 KB Output is correct
5 Correct 88 ms 33360 KB Output is correct
6 Correct 86 ms 33368 KB Output is correct
7 Correct 44 ms 31316 KB Output is correct
8 Correct 49 ms 31920 KB Output is correct
9 Correct 88 ms 33108 KB Output is correct
10 Correct 98 ms 33360 KB Output is correct
11 Correct 88 ms 33152 KB Output is correct
12 Correct 103 ms 33360 KB Output is correct
13 Correct 81 ms 31760 KB Output is correct
14 Correct 95 ms 33624 KB Output is correct
15 Correct 103 ms 33548 KB Output is correct
16 Correct 107 ms 33872 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1042 ms 81832 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14936 KB Output is correct
2 Correct 11 ms 14940 KB Output is correct
3 Correct 8 ms 14940 KB Output is correct
4 Correct 10 ms 14952 KB Output is correct
5 Correct 9 ms 14940 KB Output is correct
6 Correct 9 ms 15076 KB Output is correct
7 Correct 10 ms 14940 KB Output is correct
8 Correct 9 ms 14940 KB Output is correct
9 Correct 9 ms 15180 KB Output is correct
10 Correct 10 ms 15108 KB Output is correct
11 Correct 10 ms 14940 KB Output is correct
12 Correct 9 ms 15184 KB Output is correct
13 Correct 8 ms 14940 KB Output is correct
14 Correct 11 ms 15200 KB Output is correct
15 Correct 8 ms 14940 KB Output is correct
16 Correct 9 ms 15196 KB Output is correct
17 Correct 8 ms 15084 KB Output is correct
18 Correct 9 ms 14940 KB Output is correct
19 Correct 9 ms 14940 KB Output is correct
20 Correct 9 ms 15136 KB Output is correct
21 Correct 84 ms 33244 KB Output is correct
22 Correct 95 ms 33364 KB Output is correct
23 Correct 96 ms 33104 KB Output is correct
24 Correct 91 ms 33108 KB Output is correct
25 Correct 88 ms 33360 KB Output is correct
26 Correct 86 ms 33368 KB Output is correct
27 Correct 44 ms 31316 KB Output is correct
28 Correct 49 ms 31920 KB Output is correct
29 Correct 88 ms 33108 KB Output is correct
30 Correct 98 ms 33360 KB Output is correct
31 Correct 88 ms 33152 KB Output is correct
32 Correct 103 ms 33360 KB Output is correct
33 Correct 81 ms 31760 KB Output is correct
34 Correct 95 ms 33624 KB Output is correct
35 Correct 103 ms 33548 KB Output is correct
36 Correct 107 ms 33872 KB Output is correct
37 Execution timed out 1063 ms 31580 KB Time limit exceeded
38 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1037 ms 31312 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14936 KB Output is correct
2 Correct 11 ms 14940 KB Output is correct
3 Correct 8 ms 14940 KB Output is correct
4 Correct 10 ms 14952 KB Output is correct
5 Correct 9 ms 14940 KB Output is correct
6 Correct 9 ms 15076 KB Output is correct
7 Correct 10 ms 14940 KB Output is correct
8 Correct 9 ms 14940 KB Output is correct
9 Correct 9 ms 15180 KB Output is correct
10 Correct 10 ms 15108 KB Output is correct
11 Correct 10 ms 14940 KB Output is correct
12 Correct 9 ms 15184 KB Output is correct
13 Correct 8 ms 14940 KB Output is correct
14 Correct 11 ms 15200 KB Output is correct
15 Correct 8 ms 14940 KB Output is correct
16 Correct 9 ms 15196 KB Output is correct
17 Correct 8 ms 15084 KB Output is correct
18 Correct 9 ms 14940 KB Output is correct
19 Correct 9 ms 14940 KB Output is correct
20 Correct 9 ms 15136 KB Output is correct
21 Correct 10 ms 14940 KB Output is correct
22 Correct 11 ms 14940 KB Output is correct
23 Correct 10 ms 15144 KB Output is correct
24 Correct 11 ms 14944 KB Output is correct
25 Correct 9 ms 14936 KB Output is correct
26 Correct 8 ms 14940 KB Output is correct
27 Correct 9 ms 14940 KB Output is correct
28 Correct 9 ms 14940 KB Output is correct
29 Correct 9 ms 15128 KB Output is correct
30 Correct 9 ms 14940 KB Output is correct
31 Correct 10 ms 14940 KB Output is correct
32 Correct 9 ms 15160 KB Output is correct
33 Correct 7 ms 14940 KB Output is correct
34 Correct 9 ms 15200 KB Output is correct
35 Correct 9 ms 14940 KB Output is correct
36 Correct 9 ms 15204 KB Output is correct
37 Correct 7 ms 14940 KB Output is correct
38 Correct 8 ms 15184 KB Output is correct
39 Correct 84 ms 33244 KB Output is correct
40 Correct 95 ms 33364 KB Output is correct
41 Correct 96 ms 33104 KB Output is correct
42 Correct 91 ms 33108 KB Output is correct
43 Correct 88 ms 33360 KB Output is correct
44 Correct 86 ms 33368 KB Output is correct
45 Correct 44 ms 31316 KB Output is correct
46 Correct 49 ms 31920 KB Output is correct
47 Correct 88 ms 33108 KB Output is correct
48 Correct 98 ms 33360 KB Output is correct
49 Correct 88 ms 33152 KB Output is correct
50 Correct 103 ms 33360 KB Output is correct
51 Correct 81 ms 31760 KB Output is correct
52 Correct 95 ms 33624 KB Output is correct
53 Correct 103 ms 33548 KB Output is correct
54 Correct 107 ms 33872 KB Output is correct
55 Execution timed out 1063 ms 31580 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14936 KB Output is correct
2 Correct 11 ms 14940 KB Output is correct
3 Correct 8 ms 14940 KB Output is correct
4 Correct 10 ms 14952 KB Output is correct
5 Correct 9 ms 14940 KB Output is correct
6 Correct 9 ms 15076 KB Output is correct
7 Correct 10 ms 14940 KB Output is correct
8 Correct 9 ms 14940 KB Output is correct
9 Correct 9 ms 15180 KB Output is correct
10 Correct 10 ms 15108 KB Output is correct
11 Correct 10 ms 14940 KB Output is correct
12 Correct 9 ms 15184 KB Output is correct
13 Correct 8 ms 14940 KB Output is correct
14 Correct 11 ms 15200 KB Output is correct
15 Correct 8 ms 14940 KB Output is correct
16 Correct 9 ms 15196 KB Output is correct
17 Correct 8 ms 15084 KB Output is correct
18 Correct 9 ms 14940 KB Output is correct
19 Correct 9 ms 14940 KB Output is correct
20 Correct 9 ms 15136 KB Output is correct
21 Correct 10 ms 14940 KB Output is correct
22 Correct 11 ms 14940 KB Output is correct
23 Correct 10 ms 15144 KB Output is correct
24 Correct 11 ms 14944 KB Output is correct
25 Correct 9 ms 14936 KB Output is correct
26 Correct 8 ms 14940 KB Output is correct
27 Correct 9 ms 14940 KB Output is correct
28 Correct 9 ms 14940 KB Output is correct
29 Correct 9 ms 15128 KB Output is correct
30 Correct 9 ms 14940 KB Output is correct
31 Correct 10 ms 14940 KB Output is correct
32 Correct 9 ms 15160 KB Output is correct
33 Correct 7 ms 14940 KB Output is correct
34 Correct 9 ms 15200 KB Output is correct
35 Correct 9 ms 14940 KB Output is correct
36 Correct 9 ms 15204 KB Output is correct
37 Correct 7 ms 14940 KB Output is correct
38 Correct 8 ms 15184 KB Output is correct
39 Correct 84 ms 33244 KB Output is correct
40 Correct 95 ms 33364 KB Output is correct
41 Correct 96 ms 33104 KB Output is correct
42 Correct 91 ms 33108 KB Output is correct
43 Correct 88 ms 33360 KB Output is correct
44 Correct 86 ms 33368 KB Output is correct
45 Correct 44 ms 31316 KB Output is correct
46 Correct 49 ms 31920 KB Output is correct
47 Correct 88 ms 33108 KB Output is correct
48 Correct 98 ms 33360 KB Output is correct
49 Correct 88 ms 33152 KB Output is correct
50 Correct 103 ms 33360 KB Output is correct
51 Correct 81 ms 31760 KB Output is correct
52 Correct 95 ms 33624 KB Output is correct
53 Correct 103 ms 33548 KB Output is correct
54 Correct 107 ms 33872 KB Output is correct
55 Execution timed out 1042 ms 81832 KB Time limit exceeded
56 Halted 0 ms 0 KB -