#include <iostream>
#include <stdio.h>
#include <vector>
#include <algorithm>
#include <assert.h>
using namespace std;
int S1[1005];
int all[1005];
bool F(int a,int b)
{
return a<b;
}
long long count_swaps(std::vector<int> S)
{
long long ans1=0,ans2=0,ans3=0,ans4=0,N=S.size(),i,j,k,now=0;
long long t;
now=0;
for(i=0;i<N;i++) S1[i]=S[i];
for(i=0;i<N;i++) if(S1[i]>0) all[now++]=S1[i];
for(i=0;i<N/2;i++)
{
for(j=2*i;j<N;j++)
{
if(S1[j]==0-all[i])
{
for(k=j;k>2*i;k--)
{
ans1++;
swap(S1[k],S1[k-1]);
}
break;
}
}
for(j=2*i+1;j<N;j++)
{
if(S1[j]==all[i])
{
for(k=j;k>2*i+1;k--)
{
ans1++;
swap(S1[k],S1[k-1]);
}
break;
}
}
}
now=0;
for(i=0;i<N;i++) S1[i]=S[i];
for(i=N-1;i>=0;i--) if(S1[i]>0) all[now++]=S1[i];
for(i=0;i<N/2;i++)
{
for(j=N-2*i-1;j>=0;j--)
{
if(S1[j]==all[i])
{
for(k=j;k<N-2*i-1;k++)
{
ans3++;
swap(S1[k],S1[k+1]);
}
break;
}
}
for(j=N-2*i-2;j>=0;j--)
{
if(S1[j]==0-all[i])
{
for(k=j;k<N-2*i-2;k++)
{
ans3++;
swap(S1[k],S1[k+1]);
}
break;
}
}
}
now=0;
for(i=0;i<N;i++) S1[i]=S[i];
for(i=0;i<N;i++) if(S1[i]<0) all[now++]=S1[i];
for(i=0;i<N/2;i++)
{
for(j=2*i;j<N;j++)
{
if(S1[j]==all[i])
{
for(k=j;k>2*i;k--)
{
ans2++;
swap(S1[k],S1[k-1]);
}
break;
}
}
for(j=2*i+1;j<N;j++)
{
if(S1[j]==0-all[i])
{
for(k=j;k>2*i+1;k--)
{
ans2++;
swap(S1[k],S1[k-1]);
}
break;
}
}
}
now=0;
for(i=0;i<N;i++) S1[i]=S[i];
for(i=N-1;i>=0;i--) if(S1[i]<0) all[now++]=S1[i];
for(i=0;i<N/2;i++)
{
for(j=N-2*i-1;j>=0;j--)
{
if(S1[j]==0-all[i])
{
for(k=j;k<N-2*i-1;k++)
{
ans4++;
swap(S1[k],S1[k+1]);
}
break;
}
}
for(j=N-2*i-2;j>=0;j--)
{
if(S1[j]==all[i])
{
for(k=j;k<N-2*i-2;k++)
{
ans4++;
swap(S1[k],S1[k+1]);
}
break;
}
}
}
//assert(ans1==ans3&&ans2==ans4);
//printf("%lld %lld %lld %lld\n",ans1,ans2,ans3,ans4);
return min(min(ans1,ans2),min(ans3,ans4));
}
Compilation message
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:17:15: warning: unused variable 't' [-Wunused-variable]
long long t;
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
424 KB |
Output is correct |
24 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
252 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
3 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
392 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
252 KB |
Output is correct |
17 |
Correct |
2 ms |
256 KB |
Output is correct |
18 |
Runtime error |
3 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Runtime error |
33 ms |
3704 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
424 KB |
Output is correct |
24 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
424 KB |
Output is correct |
24 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |