| #include<bits/stdc++.h> |
| using namespace std; |
| int n; |
| int ad[1005],bd[1001]; |
| int check(int a){ |
| int h = 0,l=0; |
| for(int i = a ; i >= 0 ; i-- ) { |
| if(ad[i] < ad[i-1]) { |
| h++; |
| swap(ad[i-1],ad[i]); |
| } |
| } |
| return h; |
| } |
| int main() |
| { |
| int i,j,k,l,m; |
| while(scanf("%d",&n)!=EOF){ |
| l=0; |
| for( i = 0 ; i < n ; i++ ) { |
| cin>>ad[i]; |
| if(i!=0) |
| if(ad[i] < ad[i-1]) swap(ad[i-1],ad[i]),l++; |
| } |
| for( i = 1 ; i < n ; i++ ) { |
| l += check(i); |
| } |
| printf("Minimum exchange operations : %d\n",l); |
| } |
| return 0; |
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