39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
#include <stdio.h>
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#define inf 0x7fffffff
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int abbs(int a) { return a<0 ? -a : a ; }
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int food[205], dp[35][205], dis[205][205];
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int main()
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{
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int n, m, i, j, k, mid, minn, p=1;
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while(scanf("%d%d", &n, &m) != EOF )
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{
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if( n==0 && m==0 ) break;
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for(i=1; i<=n; i++)
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scanf("%d",&food[i]);
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for(i=1; i<=n; i++)
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{
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for(j=i; j<=n; j++)
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{
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dis[i][j] = 0; mid = (i+j)/2;
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for(k=i; k<=j; k++ )
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dis[i][j] += abbs( food[k] - food[mid] ) ;
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}
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}
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for( i=1; i<=n; i++ )
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{
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dp[1][i] = dis[1][i];
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}
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for(i=2; i<=m; i++ )
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{
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for(j=i; j<=n; j++ )
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{
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dp[i][j] = inf ;
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for(k=i-1; k<j; k++ )
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if( dp[i][j] > dp[i-1][k] + dis[k+1][j] )
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dp[i][j] = dp[i-1][k] + dis[k+1][j] ;
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}
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}
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printf("Chain %d\nTotal distance sum = %d\n\n" , p++, dp[m][n] );
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}
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}
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