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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#631025 | #5466. Permutation Compression | QHhee004 | WA | 27ms | 7824kb | C++17 | 2.0kb | 2024-10-11 21:28:38 | 2024-10-11 21:28:38 |
Judging History
answer
#include<iostream>
#include<cmath>
#include<algorithm>
#include<set>
using namespace std;
const int N=2e5+5;
#define lowbit(x) x&-x
typedef pair<int,int> PII;
#define ft first
#define sd second
class Treearry {
private:
int bit[N],tot;
public:
void set(int n) {
tot=n;
}
void clear() {
for(int i=1; i<=tot; i++)bit[i]=0;
}
void add(int x,int c) {
while(x<=tot)bit[x]+=c,x+=lowbit(x);
}
int get(int x) {
int ans=0;
while(x>0)ans+=bit[x],x-=lowbit(x);
return ans;
}
} B;
int a[N],pos[N],stk[N];
int L[N],R[N];
bool mark[N];
bool cmp(int i,int j) {
return a[i]>=a[j];
}
void solve() {
int n,m,K;
scanf("%d%d%d",&n,&m,&K);
for(int i=1; i<=n; i++) {
scanf("%d",&a[i]);
pos[a[i]]=i;
}
for(int i=1; i<=n; i++)
mark[i]=false;
bool flag=0;
for(int i=1,j=1,u; i<=m; i++) {
scanf("%d",&u);
while(j<=n&&a[j]!=u)++j;
mark[j]=true; ++j;
// printf("i:%d m:%d j:%d n:%d\n",i,m,j,n);
if(j>n&&i<m) flag=1;
}
for(int i=1; i<=n; i++)
L[i]=R[i]=0;
int top=0;
stk[0]=0;
for(int i=1; i<=n; i++) {
if(mark[i]) {
while(top&&a[stk[top]]<a[i])--top;
stk[++top]=i;
} else {
L[i]=stk[lower_bound(stk+1,stk+1+top,i,cmp)-stk-1]+1;
}
}
top=0;
stk[0]=n+1;
for(int i=n; i>=1; i--) {
if(mark[i]) {
while(top&&a[stk[top]]<a[i])--top;
stk[++top]=i;
} else {
R[i]=stk[lower_bound(stk+1,stk+1+top,i,cmp)-stk-1]-1;
}
}
multiset <int> S;
for(int i=1,u; i<=K; i++) {
scanf("%d",&u);
S.insert(u);
}
if(n-K>m||flag) {
puts("NO");
return ;
}
B.set(n);
B.clear();
for(int i=n; i>=1; i--) {
if(mark[pos[i]])continue;
int cnt=R[pos[i]]-L[pos[i]]+1-B.get(R[pos[i]])+B.get(L[pos[i]]-1);
multiset<int>::iterator itr=S.upper_bound(cnt);
if(itr==S.begin()) {
puts("NO");
return ;
}
--itr;
S.erase(itr);
B.add(pos[i],1);
}
puts("YES");
}
int main() {
int T;scanf("%d",&T);
while(T--)solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 5672kb
input:
3 5 2 3 5 1 3 2 4 5 2 1 2 4 5 5 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 3 2 2 3 1 2 3 2 2 3
output:
YES YES NO
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 1ms
memory: 7796kb
input:
100 2 1 2 2 1 2 1 1 2 1 2 1 2 1 2 2 2 1 1 1 2 1 2 6 1 5 3 4 2 5 6 1 3 5 2 1 1 1 6 1 6 2 1 3 6 4 5 1 4 1 2 2 1 4 3 3 2 2 1 3 2 1 3 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 2 1 2 1 2 4 4 3 2 1 3 4 2 1 3 4 4 3 1 1 1 1 1 1 1 6 5 1 6 2 5 4 3 1 6 2 4 3 1 4 1 1 1 1 1 1 6 5 3 3 6 1 4 5 2 3 6 1 4 2 3 3 4 4 3 4 3 4 ...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES NO NO NO YES YES NO NO YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES NO YES YES YES YES YES YES YES NO YES YES YES YES YE...
result:
ok 100 lines
Test #3:
score: 0
Accepted
time: 1ms
memory: 5728kb
input:
99 6 1 6 1 5 3 4 2 6 1 1 2 1 1 1 6 1 1 1 1 1 1 4 1 3 3 4 1 2 1 1 1 2 2 2 1 2 1 2 1 2 1 1 1 1 1 1 2 1 2 1 2 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 3 2 2 3 2 1 2 1 1 2 3 3 1 2 3 1 2 3 1 1 6 1 5 3 4 2 5 6 1 3 4 2 1 1 1 6 4 4 1 6 5 2 3 4 1 2 3 4 5 4 4 6 2 1 1 1 2 1 1 6 5 1 2 1 4 5 6 3 2 1 4 6 3 2 6 3 6 5 6 2 1 3...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO NO YES YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES YES NO NO YES YES YES NO YES YES YES NO YES YES NO YES NO YES NO YES YES YES YES YES YES NO YES NO NO YES YES YES YE...
result:
ok 99 lines
Test #4:
score: 0
Accepted
time: 1ms
memory: 5764kb
input:
98 6 1 6 6 1 4 5 2 3 3 1 2 2 1 1 6 4 3 2 2 3 4 1 2 1 3 3 4 1 1 1 1 1 1 6 1 6 6 4 3 1 2 5 1 3 1 3 1 1 5 1 1 1 1 1 1 6 4 4 3 4 1 2 5 6 3 4 1 2 2 4 3 1 6 5 1 4 5 3 6 1 2 4 5 3 1 2 6 1 1 1 1 1 1 5 1 4 1 3 2 4 5 1 5 3 4 4 6 3 4 1 4 2 3 6 5 1 2 5 5 4 6 5 4 1 3 2 1 4 3 2 1 1 1 1 1 1 1 1 1 6 3 5 5 1 3 6 4 2...
output:
YES NO YES YES YES YES YES YES NO NO YES YES NO YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES NO YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES NO YES YES YES YES YES NO YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES NO Y...
result:
ok 98 lines
Test #5:
score: -100
Wrong Answer
time: 27ms
memory: 7824kb
input:
60000 1 1 1 1 1 1 1 1 1 1 1 1 3 2 1 2 3 1 2 1 2 3 3 1 1 2 3 1 2 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 2 3 2 1 3 2 1 1 1 2 2 1 2 1 2 1 1 1 1 1 1 1 1 2 2 1 1 2 1 2 1 1 1 1 1 1 1 3 1 3 2 3 1 1 2 3 2 3 3 2 2 3 1 2 3 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 2 3 3 2 1 2 1 1 2 1 3 2 2 1 3 2 3 2 3 ...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES...
result:
wrong answer 726th lines differ - expected: 'NO', found: 'YES'