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Cod sursa(job #81290)
#include <stdio.h>
#define NMAX 10005
#define KMAX 1005
#define INFI -(0x3f3f3f3f)
int p[NMAX];
int a[KMAX][NMAX];
int d[NMAX], st, dr;
int s[NMAX];
int n, k;
void read()
{
int i;
scanf("%d%d", &n, &k);
for(i = 1; i <= n; ++i)
scanf("%d", p+i), s[i] = s[i-1] + p[i];
}
#define MAX(a, b) ((a) > (b)) ? (a) : (b)
int dinamic()
{
int i, j;
int stare = 1;
int max = INFI;
// for(j = 1; j <= n; ++j)
// max = MAX(max + p[j], p[j]), a[0][j] = max;
for(i = 1; i <= k; ++i, stare = 1-stare)
{
a[stare][1] = p[1];
max = 0;
for(j = 2; j <= n; ++j)
{
if(i != 1)
a[stare][j] = MAX(a[stare][j-1], max + s[j]);
else
a[stare][j] = MAX(a[stare][j-1]+p[j], p[j]);
if(i != 1)
max = MAX(max, a[1-stare][j] - s[j]);
}
for(j = 1; j <= n; ++j)
printf("%d ", a[stare][j]);
printf("\n");
}
max = a[1-stare][n];
for(j = 1; j <= n; ++j)
max = MAX(max, a[1-stare][j] + s[n] - s[j]);
return max;
}
int main()
{
freopen("ferma.in", "r", stdin);
freopen("ferma.out", "w", stdout);
read();
printf("%d\n", dinamic());
return 0;
}