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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#182856 | #1848. Interval Shuffle | Aphrora | WA | 157ms | 14076kb | C++14 | 1.5kb | 2023-09-18 17:20:57 | 2023-09-18 17:20:58 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int n,m,li,ri;
int a[500010],tmp;
int tree[2000010],lz[2000010];
void build(int l,int r,int p) {
if(l==r) {
tree[p]=a[l];
return;
}
int m=(l+r)>>1;
build(l,m,p*2);
build(m+1,r,p*2+1);
tree[p]=max(tree[p*2],tree[p*2+1]);
}
void update(int l,int r,int s,int t,int p) {
if(l<=s && t<=r) {
++lz[p];
tree[p]=max(tree[p]+1,tmp);
return;
}
int m=(s+t)>>1;
if(lz[p]) {
lz[p*2]+=lz[p];
tree[p*2]=max(tree[p*2]+lz[p],tmp);
lz[p*2+1]+=lz[p];
tree[p*2+1]=max(tree[p*2+1]+lz[p],tmp);
lz[p]=0;
}
if(l<=m) update(l,r,s,m,2*p);
if(r>m) update(l,r,m+1,t,2*p+1);
tree[p]=max(tree[p*2],tree[p*2+1]);
}
int getmax(int l,int r,int s,int t,int p) {
if(l<=s && t<=r) {
return tree[p];
}
int m=(t+s)>>1;
int sum=0;
if(lz[p]) {
lz[p*2]+=lz[p];
tree[p*2]=max(tree[p*2]+lz[p],tmp);
lz[p*2+1]+=lz[p];
tree[p*2+1]=max(tree[p*2+1]+lz[p],tmp);
lz[p]=0;
}
if(l<=m) sum=max(sum,getmax(l,r,s,m,2*p));
if(r>m) sum=max(sum,getmax(l,r,m+1,t,2*p+1));
return sum;
}
int main() {
scanf("%d%d",&n,&m);
for(int i=1;i<=n;++i)
scanf("%d",&a[i]);
build(1,n,1);
while(m--) {
scanf("%d%d",&li,&ri);
tmp=getmax(li,ri,1,n,1);
update(li,ri,1,n,1);
}
for(int i=1;i<=n;++i)
printf("%d ",getmax(i,i,1,n,1));
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 7888kb
input:
4 3 0 1 0 1 2 4 1 3 2 3
output:
2 4 3 2
result:
ok 4 number(s): "2 4 3 2"
Test #2:
score: -100
Wrong Answer
time: 157ms
memory: 14076kb
input:
188394 182563 1 40 31 12 49 8 30 49 46 22 49 36 11 47 15 32 20 18 11 41 4 49 31 28 14 33 27 3 5 30 23 30 36 42 24 5 35 25 8 21 7 7 0 1 10 34 26 16 15 36 39 4 11 41 34 30 7 40 7 26 27 50 6 4 15 12 20 2 16 45 8 37 12 25 33 3 23 16 13 47 33 40 25 8 29 42 25 34 49 17 1 12 37 7 27 11 44 11 38 6 46 17 35 ...
output:
1 52588 83563 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 91837 9183...
result:
wrong answer 2nd numbers differ - expected: '49137', found: '52588'