답안 #442359

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
442359 2021-07-07T14:10:57 Z keta_tsimakuridze 푸드 코트 (JOI21_foodcourt) C++14
24 / 100
598 ms 46000 KB
#include<bits/stdc++.h>
#define f first
#define s second
#define ll long long
#define pii pair<ll,ll> 
using namespace std;
const int N=250005,mod=1e9+7;
int t,n,m,q,g[N],ans[N];
ll tree[4*N],add[4*N],cnt[N],tr[4*N];
pii lazy[4*N];
vector<int> t1;
vector<pair<ll,int> > st[N],en[N],x[N];

void update2(int u,int ind,int l,int r,int val) {
	if(l>ind || r<ind) return;
	if(l==r) {
		tr[u]+=val; 
		return;
	}
	int mid = (l+r)/2;
	update2(2*u,ind,l,mid,val);
	update2(2*u+1,ind,mid+1,r,val);
	tr[u] = tr[2*u] + tr[2*u+1];
}
int getans2(int u,int l,int r,int c) {
	if(l==r)  return l;
	int mid = (l+r)/2;
	if(tr[2*u] >= c) return getans2(2*u,l,mid,c);
	else return getans2(2*u+1,mid+1,r,c - tr[2*u]);
}
int getans1(int u,int start,int end,int l,int r){
	if(l>end || r<start) return 0;
	if(start<=l && r<=end) return tr[u];
	int mid = (l+r)/2;
	return getans1(2*u,start,end,l,mid) + getans1(2*u+1,start,end,mid+1,r);
}
void upd(pii &a,pii b){
	if(a.s >= b.f) {
		a.s = a.s - b.f + b.s;
	}
	else {
		a.f += b.f - a.s;
		a.s = b.s;
	}
}
void update(int u,int start,int end,int l,int r,int val) {
	if(lazy[u].f||lazy[u].s) {
		tree[u] = max(tree[u]-lazy[u].f,0ll) + lazy[u].s;
		if(l!=r){
			upd(lazy[2*u],lazy[u]);
			upd(lazy[2*u+1],lazy[u]);
		}
		lazy[u] = {0,0};
	}
	if(l>end || r<start) return;
	if(start<=l && r<=end) {
		if(val>0) lazy[u].s = val;
		else lazy[u].f = -val; 
		tree[u] = max(tree[u]-lazy[u].f,0ll) + lazy[u].s;
		if(l!=r){
			upd(lazy[2*u],lazy[u]);
			upd(lazy[2*u+1],lazy[u]);
		}
		lazy[u] = {0,0};
		return;		
	}
	int mid = (l+r)/2;
	update(2*u,start,end,l,mid,val);
	update(2*u+1,start,end,mid+1,r,val);
}
ll getans(int u,int ind,int l,int r) {
	if(lazy[u].f||lazy[u].s) {
		tree[u] = max(tree[u]-lazy[u].f,0ll) + lazy[u].s;
		if(l!=r){
			upd(lazy[2*u],lazy[u]);
			upd(lazy[2*u+1],lazy[u]);
		}
		lazy[u] = {0,0};
	}
	if(l>ind || r<ind) return 0;
	if(l==r) return tree[u];
	int mid = (l+r)/2;
	return getans(2*u,ind,l,mid) + getans(2*u+1,ind,mid+1,r);
}
 main(){
 	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>n>>m>>q;
	for(int i=1;i<=q;i++){
		int t,l,r,c,k;
		cin>>t;
		
		if(t==1) {
			
			cin>>l>>r>>c>>k;
			g[i] = c;
			st[l].push_back({i,k});
			en[r].push_back({i,k});
			update(1,l,r,1,n,k);
			t1.push_back(i);
		}
		else if(t==2){
			cin>>l>>r>>k;
			update(1,l,r,1,n,-k);
		}
		else  {
			ll a,c;
			cin>>a>>c;
			x[a].push_back({c,i});
			cnt[i] = getans(1,a,1,n);  
		}
	} 

	for(int i=1;i<=n;i++) {
		for(int j=0;j<st[i].size();j++) {
			update2(1,st[i][j].f,1,q,st[i][j].s);// cout<<"++"<<st[i][j].f<<"__"<<st[i][j].s<<endl;
		}
		for(int j=0;j<x[i].size();j++) {
			int ind = x[i][j].s; 
			ll c = getans1(1,1,ind,1,q);
			if(cnt[ind] < x[i][j].f) {
				ans[ind] = -1;
				continue;
			}
			else {
			
				ans[ind] = g[getans2(1,1,q,c - (cnt[ind] - x[i][j].f+1)+1)];
			//	cout<<ind<<" "<<c<<"__"<<getans2(1,1,q,c-(cnt[ind]-x[i][j].f+1)+1)<<endl;
			}
		}
		for(int j=0;j<en[i].size();j++){
			update2(1,en[i][j].f,1,q,-en[i][j].s); 
		}
	}
	for(int i=1;i<=q;i++) {
		if(ans[i]) cout<<max(0,ans[i])<<" ";
	}
}

Compilation message

foodcourt.cpp:85:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   85 |  main(){
      |  ^~~~
foodcourt.cpp: In function 'int main()':
foodcourt.cpp:114:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  114 |   for(int j=0;j<st[i].size();j++) {
      |               ~^~~~~~~~~~~~~
foodcourt.cpp:117:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  117 |   for(int j=0;j<x[i].size();j++) {
      |               ~^~~~~~~~~~~~
foodcourt.cpp:130:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  130 |   for(int j=0;j<en[i].size();j++){
      |               ~^~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 18124 KB Output is correct
2 Correct 13 ms 18124 KB Output is correct
3 Correct 12 ms 18124 KB Output is correct
4 Correct 13 ms 18124 KB Output is correct
5 Correct 11 ms 18068 KB Output is correct
6 Correct 11 ms 18124 KB Output is correct
7 Correct 13 ms 18204 KB Output is correct
8 Correct 13 ms 18208 KB Output is correct
9 Correct 13 ms 18124 KB Output is correct
10 Correct 13 ms 18124 KB Output is correct
11 Correct 13 ms 18124 KB Output is correct
12 Correct 14 ms 18124 KB Output is correct
13 Correct 13 ms 18196 KB Output is correct
14 Correct 13 ms 18196 KB Output is correct
15 Correct 13 ms 18064 KB Output is correct
16 Correct 13 ms 18128 KB Output is correct
17 Correct 14 ms 18124 KB Output is correct
18 Correct 14 ms 18124 KB Output is correct
19 Correct 14 ms 18200 KB Output is correct
20 Correct 14 ms 18252 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 18124 KB Output is correct
2 Correct 13 ms 18124 KB Output is correct
3 Correct 12 ms 18124 KB Output is correct
4 Correct 13 ms 18124 KB Output is correct
5 Correct 11 ms 18068 KB Output is correct
6 Correct 11 ms 18124 KB Output is correct
7 Correct 13 ms 18204 KB Output is correct
8 Correct 13 ms 18208 KB Output is correct
9 Correct 13 ms 18124 KB Output is correct
10 Correct 13 ms 18124 KB Output is correct
11 Correct 13 ms 18124 KB Output is correct
12 Correct 14 ms 18124 KB Output is correct
13 Correct 13 ms 18196 KB Output is correct
14 Correct 13 ms 18196 KB Output is correct
15 Correct 13 ms 18064 KB Output is correct
16 Correct 13 ms 18128 KB Output is correct
17 Correct 14 ms 18124 KB Output is correct
18 Correct 14 ms 18124 KB Output is correct
19 Correct 14 ms 18200 KB Output is correct
20 Correct 14 ms 18252 KB Output is correct
21 Incorrect 14 ms 18200 KB Output isn't correct
22 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 116 ms 25720 KB Output is correct
2 Correct 136 ms 26200 KB Output is correct
3 Correct 122 ms 25764 KB Output is correct
4 Correct 122 ms 25648 KB Output is correct
5 Correct 121 ms 26168 KB Output is correct
6 Correct 134 ms 26208 KB Output is correct
7 Correct 46 ms 21916 KB Output is correct
8 Correct 48 ms 21808 KB Output is correct
9 Correct 123 ms 25272 KB Output is correct
10 Correct 114 ms 25644 KB Output is correct
11 Correct 115 ms 25540 KB Output is correct
12 Correct 114 ms 25676 KB Output is correct
13 Correct 103 ms 25960 KB Output is correct
14 Correct 144 ms 26412 KB Output is correct
15 Correct 135 ms 27044 KB Output is correct
16 Correct 130 ms 27052 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 598 ms 46000 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 18124 KB Output is correct
2 Correct 13 ms 18124 KB Output is correct
3 Correct 12 ms 18124 KB Output is correct
4 Correct 13 ms 18124 KB Output is correct
5 Correct 11 ms 18068 KB Output is correct
6 Correct 11 ms 18124 KB Output is correct
7 Correct 13 ms 18204 KB Output is correct
8 Correct 13 ms 18208 KB Output is correct
9 Correct 13 ms 18124 KB Output is correct
10 Correct 13 ms 18124 KB Output is correct
11 Correct 13 ms 18124 KB Output is correct
12 Correct 14 ms 18124 KB Output is correct
13 Correct 13 ms 18196 KB Output is correct
14 Correct 13 ms 18196 KB Output is correct
15 Correct 13 ms 18064 KB Output is correct
16 Correct 13 ms 18128 KB Output is correct
17 Correct 14 ms 18124 KB Output is correct
18 Correct 14 ms 18124 KB Output is correct
19 Correct 14 ms 18200 KB Output is correct
20 Correct 14 ms 18252 KB Output is correct
21 Correct 116 ms 25720 KB Output is correct
22 Correct 136 ms 26200 KB Output is correct
23 Correct 122 ms 25764 KB Output is correct
24 Correct 122 ms 25648 KB Output is correct
25 Correct 121 ms 26168 KB Output is correct
26 Correct 134 ms 26208 KB Output is correct
27 Correct 46 ms 21916 KB Output is correct
28 Correct 48 ms 21808 KB Output is correct
29 Correct 123 ms 25272 KB Output is correct
30 Correct 114 ms 25644 KB Output is correct
31 Correct 115 ms 25540 KB Output is correct
32 Correct 114 ms 25676 KB Output is correct
33 Correct 103 ms 25960 KB Output is correct
34 Correct 144 ms 26412 KB Output is correct
35 Correct 135 ms 27044 KB Output is correct
36 Correct 130 ms 27052 KB Output is correct
37 Correct 120 ms 25412 KB Output is correct
38 Correct 110 ms 25456 KB Output is correct
39 Correct 42 ms 21540 KB Output is correct
40 Correct 48 ms 21832 KB Output is correct
41 Correct 128 ms 25212 KB Output is correct
42 Correct 124 ms 25668 KB Output is correct
43 Correct 130 ms 25652 KB Output is correct
44 Correct 124 ms 25356 KB Output is correct
45 Correct 137 ms 25924 KB Output is correct
46 Correct 132 ms 25700 KB Output is correct
47 Correct 75 ms 25240 KB Output is correct
48 Correct 118 ms 25668 KB Output is correct
49 Correct 96 ms 24860 KB Output is correct
50 Correct 115 ms 25352 KB Output is correct
51 Correct 131 ms 25648 KB Output is correct
52 Correct 134 ms 25684 KB Output is correct
53 Correct 104 ms 26176 KB Output is correct
54 Correct 151 ms 27072 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 133 ms 26188 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 18124 KB Output is correct
2 Correct 13 ms 18124 KB Output is correct
3 Correct 12 ms 18124 KB Output is correct
4 Correct 13 ms 18124 KB Output is correct
5 Correct 11 ms 18068 KB Output is correct
6 Correct 11 ms 18124 KB Output is correct
7 Correct 13 ms 18204 KB Output is correct
8 Correct 13 ms 18208 KB Output is correct
9 Correct 13 ms 18124 KB Output is correct
10 Correct 13 ms 18124 KB Output is correct
11 Correct 13 ms 18124 KB Output is correct
12 Correct 14 ms 18124 KB Output is correct
13 Correct 13 ms 18196 KB Output is correct
14 Correct 13 ms 18196 KB Output is correct
15 Correct 13 ms 18064 KB Output is correct
16 Correct 13 ms 18128 KB Output is correct
17 Correct 14 ms 18124 KB Output is correct
18 Correct 14 ms 18124 KB Output is correct
19 Correct 14 ms 18200 KB Output is correct
20 Correct 14 ms 18252 KB Output is correct
21 Incorrect 14 ms 18200 KB Output isn't correct
22 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 18124 KB Output is correct
2 Correct 13 ms 18124 KB Output is correct
3 Correct 12 ms 18124 KB Output is correct
4 Correct 13 ms 18124 KB Output is correct
5 Correct 11 ms 18068 KB Output is correct
6 Correct 11 ms 18124 KB Output is correct
7 Correct 13 ms 18204 KB Output is correct
8 Correct 13 ms 18208 KB Output is correct
9 Correct 13 ms 18124 KB Output is correct
10 Correct 13 ms 18124 KB Output is correct
11 Correct 13 ms 18124 KB Output is correct
12 Correct 14 ms 18124 KB Output is correct
13 Correct 13 ms 18196 KB Output is correct
14 Correct 13 ms 18196 KB Output is correct
15 Correct 13 ms 18064 KB Output is correct
16 Correct 13 ms 18128 KB Output is correct
17 Correct 14 ms 18124 KB Output is correct
18 Correct 14 ms 18124 KB Output is correct
19 Correct 14 ms 18200 KB Output is correct
20 Correct 14 ms 18252 KB Output is correct
21 Incorrect 14 ms 18200 KB Output isn't correct
22 Halted 0 ms 0 KB -