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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#491306#9155. 集合spdarkle100 ✓212ms89148kbC++141.6kb2024-07-25 18:38:322024-07-25 18:38:35

Judging History

你现在查看的是最新测评结果

  • [2024-07-25 18:38:35]
  • 评测
  • 测评结果:100
  • 用时:212ms
  • 内存:89148kb
  • [2024-07-25 18:38:32]
  • 提交

answer

/*
先对P做一个最长下降得到f[i]
然后因为要求字典序严格大于
所以直接
*/
#include<bits/stdc++.h>
using namespace std;
#define N 1050500
#define int long long 
#define ull unsigned long long 
int n,m,q,mnl[N];
ull rk[N],a[N],b[N],vala[N],valb[N];
ull sa,sb;
vector<int>numa[N],numb[N];
void add(int pos){
	for(auto x:numa[pos])sa-=vala[x];
	for(auto x:numb[pos])sb-=valb[x];
	for(auto x:numa[pos])vala[x]^=rk[pos];
	for(auto x:numb[pos])valb[x]^=rk[pos];
	for(auto x:numa[pos])sa+=vala[x];
	for(auto x:numb[pos])sb+=valb[x];
}
signed main(){
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>n>>m>>q;
	mt19937_64 rnd(998244353);
	for(int i=1;i<=max(n,m);i++)rk[i]=rnd();/*内层随机赋权然后求和,外层直接xor*/
	for(int i=1;i<=n;i++){
		int x,y,z;cin>>x>>y>>z;
		numa[i].push_back(x);numa[i].push_back(y);numa[i].push_back(z);
		// a[i]=rk[x]+rk[y]+rk[z];
	}
	for(int i=1;i<=n;i++){
		int x,y,z;cin>>x>>y>>z;
		numb[i].push_back(z);numb[i].push_back(y);numb[i].push_back(x);
		// b[i]=rk[x]+rk[y]+rk[z];
	}
	/*
	充要条件:对于任意数 x
	其在A中在集合c_1~c_m中都出现了
	那么有一个一一对应的y,其在B中集合c_1~c_m都出现了
	所以可以对于每个数维护其出现序列
	我们考虑给每个位置一个随机值
	然后对于一个数,如果在这个位置出现,那么其出现序列异或上它
	最后我们将所有数的异或值求和
	*/
	for(int i=1,l=1;i<=n;i++){
		add(i);
		while(sa!=sb&&l<=i)add(l),++l;
		mnl[i]=l;
	}
	while(q--){
		int l,r;cin>>l>>r;
		if(l>=mnl[r])cout<<"Yes\n";
		else cout<<"No\n";
	}
}

Details


Pretests

Pretest #1:

score: 5
Accepted
time: 14ms
memory: 58344kb

Pretest #2:

score: 5
Accepted
time: 3ms
memory: 58936kb

Pretest #3:

score: 5
Accepted
time: 6ms
memory: 57500kb

Pretest #4:

score: 5
Accepted
time: 0ms
memory: 57776kb

Pretest #5:

score: 5
Accepted
time: 3ms
memory: 57844kb

Pretest #6:

score: 5
Accepted
time: 4ms
memory: 57172kb

Pretest #7:

score: 5
Accepted
time: 7ms
memory: 57444kb

Pretest #8:

score: 5
Accepted
time: 4ms
memory: 57560kb

Pretest #9:

score: 5
Accepted
time: 20ms
memory: 59008kb

Pretest #10:

score: 5
Accepted
time: 12ms
memory: 58188kb

Pretest #11:

score: 5
Accepted
time: 95ms
memory: 77544kb

Pretest #12:

score: 5
Accepted
time: 91ms
memory: 80124kb

Pretest #13:

score: 5
Accepted
time: 0ms
memory: 58720kb

Pretest #14:

score: 5
Accepted
time: 7ms
memory: 57784kb

Pretest #15:

score: 5
Accepted
time: 104ms
memory: 59056kb

Pretest #16:

score: 5
Accepted
time: 106ms
memory: 59208kb

Pretest #17:

score: 5
Accepted
time: 13ms
memory: 59968kb

Pretest #18:

score: 5
Accepted
time: 11ms
memory: 60676kb

Pretest #19:

score: 5
Accepted
time: 211ms
memory: 80832kb

Pretest #20:

score: 5
Accepted
time: 211ms
memory: 89120kb

Final Tests

Test #1:

score: 5
Accepted
time: 3ms
memory: 57832kb

Test #2:

score: 5
Accepted
time: 4ms
memory: 57208kb

Test #3:

score: 5
Accepted
time: 4ms
memory: 57028kb

Test #4:

score: 5
Accepted
time: 4ms
memory: 57744kb

Test #5:

score: 5
Accepted
time: 4ms
memory: 58944kb

Test #6:

score: 5
Accepted
time: 4ms
memory: 57104kb

Test #7:

score: 5
Accepted
time: 4ms
memory: 58328kb

Test #8:

score: 5
Accepted
time: 0ms
memory: 59000kb

Test #9:

score: 5
Accepted
time: 23ms
memory: 57024kb

Test #10:

score: 5
Accepted
time: 20ms
memory: 58632kb

Test #11:

score: 5
Accepted
time: 71ms
memory: 77764kb

Test #12:

score: 5
Accepted
time: 89ms
memory: 75716kb

Test #13:

score: 5
Accepted
time: 3ms
memory: 58584kb

Test #14:

score: 5
Accepted
time: 4ms
memory: 57424kb

Test #15:

score: 5
Accepted
time: 108ms
memory: 57676kb

Test #16:

score: 5
Accepted
time: 96ms
memory: 58652kb

Test #17:

score: 5
Accepted
time: 10ms
memory: 58800kb

Test #18:

score: 5
Accepted
time: 15ms
memory: 61172kb

Test #19:

score: 5
Accepted
time: 208ms
memory: 75772kb

Test #20:

score: 5
Accepted
time: 212ms
memory: 89148kb

Extra Test:

score: 0
Extra Test Passed