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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#716961 | #6434. Paimon Sorting | wenqizhi | WA | 1ms | 4220kb | C++20 | 1.2kb | 2024-11-06 16:29:58 | 2024-11-06 16:29:58 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
int read()
{
int x = 0; bool f = false; char c = getchar();
while(c < '0' || c > '9') f |= (c == '-'), c = getchar();
while(c >= '0' && c <= '9') x = (x << 1) + (x << 3) + (c & 15), c = getchar();
return f ? -x : x;
}
const int N = 1e5 + 5;
int n, a[N], vis[N];
struct BIT
{
int c[N];
BIT(){ memset(c, 0, sizeof(c)); }
void add(int pos, int val)
{
while(pos <= n) c[pos] += val, pos += (pos & -pos);
}
int query(int pos)
{
int ans = 0;
while(pos) ans += c[pos], pos -= (pos & -pos);
return ans;
}
}T1;
void solve()
{
n = read();
for(int i = 1; i <= n; ++i) a[i] = read();
for(int i = 0; i <= n; ++i) T1.c[i] = 0, vis[i] = 0;
ll ans = 0, sum = 0, mx = a[1];
T1.add(a[1], 1), vis[a[1]] = 1;
printf("0 ");
for(int i = 2; i <= n; ++i)
{
if(a[i] > mx) sum = sum + 2, ans += sum;
else sum = sum + T1.query(n) - T1.query(a[i]), ans += sum;
printf("%lld ", sum);
if(vis[a[i]] == 0) T1.add(a[i], 1), vis[a[i]] = 1;
}
printf("\n");
}
int main()
{
int T = read();
while(T--) solve();
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 4220kb
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:
wrong answer 1st lines differ - expected: '0 2 3 5 7', found: '0 2 3 5 7 '