oj.uz

Submission #959276

# Submission time Handle Problem Language Result Execution time Memory
959276 2024-04-07T19:30:52 Z MilosMilutinovic Trampoline (info1cup20_trampoline) C++14
100 / 100
 595 ms 58072 KB 
#include<bits/stdc++.h>
 
#define pb push_back
#define fi first
#define se second
#define mp make_pair
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
 
template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}
 
ll readint(){
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int r,c,n,q;
int x[200005],y[200005],nxt[200005][20];
map<int,set<pii>> v;

int main(){
	r=readint(); c=readint(); n=readint();
	for(int i=1;i<=n;i++){
		x[i]=readint(); y[i]=readint();
		v[x[i]].emplace(y[i],i);
	}
	for(int i=1;i<=n;i++){
		auto it=v[x[i]+1].lower_bound(mp(y[i],-1));
		if(it==v[x[i]+1].end()) nxt[i][0]=0;
		else nxt[i][0]=it->se;
	}
	for(int j=1;j<20;j++){
		for(int i=1;i<=n;i++){
			nxt[i][j]=nxt[nxt[i][j-1]][j-1];
		}
	}
	q=readint();
	while(q--){
		int x1=readint(),y1=readint(),x2=readint(),y2=readint();
		if(x1>x2||y1>y2){
			printf("No\n");
			continue;
		}
		if(x1==x2){
			printf("Yes\n");
			continue;
		}
		auto it=v[x1].lower_bound(mp(y1,-1));
		if(it==v[x1].end()){
			printf("No\n");
			continue;
		}
		int idx=it->se;
		for(int i=19;i>=0;i--){
			if(((x2-x1-1)>>i)&1) idx=nxt[idx][i];
		}
		if(idx!=0&&y[idx]<=y2) printf("Yes\n");
		else printf("No\n");
	}
	return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5204 KB 200 token(s): yes count is 21, no count is 179
2 Correct 5 ms 5208 KB 200 token(s): yes count is 70, no count is 130
3 Correct 3 ms 4972 KB 197 token(s): yes count is 25, no count is 172

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 29012 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 146 ms 28952 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 152 ms 28536 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 152 ms 29100 KB 4000 token(s): yes count is 1991, no count is 2009

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 39236 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 219 ms 39292 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 236 ms 39564 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 247 ms 39464 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 233 ms 39508 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 323 ms 45360 KB 200000 token(s): yes count is 97163, no count is 102837

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5208 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 4 ms 5272 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 6 ms 5976 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 4 ms 5212 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 5 ms 5320 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 4 ms 5132 KB 5000 token(s): yes count is 3390, no count is 1610

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 46928 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 373 ms 41132 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 250 ms 39504 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 595 ms 58072 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 404 ms 45996 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 266 ms 39536 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 311 ms 39392 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 260 ms 39304 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 497 ms 45448 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 434 ms 45704 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 552 ms 51840 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 208 ms 39416 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 211 ms 39508 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 369 ms 39492 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 217 ms 39316 KB 200000 token(s): yes count is 129674, no count is 70326