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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#216151 | #6434. Paimon Sorting | veg# | AC ✓ | 102ms | 4672kb | C++14 | 889b | 2023-10-15 16:15:50 | 2023-10-15 16:15:51 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N=1e5+5;
int n,c[N],a[N];
bool fl[N];
void add(int x) {
for(;x;x-=x&-x) ++c[x];
}
int ask(int x) {
int ret=0;
for(;x<=n;x+=x&-x) ret+=c[x];
return ret;
}
int main() {
// freopen("1.in","r",stdin);
// freopen("1.out","w",stdout);
int T;scanf("%d",&T);
while(T--) {
scanf("%d",&n);
for(int i=1;i<=n;++i) c[i]=fl[i]=0;
for(int i=1;i<=n;++i) scanf("%d",&a[i]);
int mx=a[1],num=1,sz=1;
putchar('0');
ll ans=0;
for(int i=2;i<=n;++i) {
if(!fl[a[i-1]]) {
add(a[i-1]);
fl[a[i-1]]=1;
}
if(mx<a[i]) {
ans+=2;
if(sz>1) {
ans+=i-1-num+1;
}
mx=a[i],num=i,sz=1;
} else {
ans+=ask(a[i]+1);
if(mx==a[i]) {
++sz;
if(sz==2) num=i;
}
}
printf(" %lld",ans);
}
puts("");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3768kb
input:
3 5 2 3 2 1 5 3 1 2 3 1 1
output:
0 2 3 5 7 0 2 4 0
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 102ms
memory: 4672kb
input:
6107 19 10 13 8 8 11 18 12 9 15 19 6 13 11 11 17 9 14 2 18 12 1 8 10 2 10 2 6 1 5 9 5 7 16 14 4 2 15 12 14 10 3 2 9 15 4 12 9 5 15 10 3 2 5 6 7 8 6 1 6 4 18 6 5 12 12 11 2 10 10 5 10 13 15 13 10 17 7 11 2 1 1 2 1 1 3 2 1 2 17 11 15 3 10 7 15 15 10 5 17 3 3 14 13 11 11 2 3 2 2 3 7 6 1 7 5 3 5 1 7 2 1...
output:
0 2 4 6 7 9 11 16 17 19 28 31 36 41 43 51 55 67 68 0 2 4 6 6 8 10 14 17 18 22 25 0 1 3 5 7 8 11 16 22 26 26 31 33 37 42 42 0 1 3 5 7 9 11 17 19 23 0 1 3 3 4 8 10 12 16 18 27 29 30 34 36 42 46 55 0 0 0 0 1 1 0 2 4 6 9 9 9 11 15 21 27 33 35 38 42 46 55 0 0 3 0 1 3 5 8 10 14 0 1 3 4 6 9 9 0 1 1 3 7 11 ...
result:
ok 6107 lines