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Cod sursa(job #501963)
#include <cstdio>
long long col[501], opt[501][501];
int main() {
int i, j, k, l, N;
long long c, m;
const long long f = 9223372036854775807LL;
freopen("podm.in", "r", stdin);
scanf("%d", &N);
for (i = 0; i <= N; ++i) {
scanf("%lld", &col[i]);
}
for (k = 2; k <= N; ++k) {
for (i = 1; i + k - 1 <= N; ++i) {
j = i + k - 1;
m = f;
for (l = i; l < j; ++l) {
c = opt[i][l] + opt[l + 1][j] + col[i - 1] * col[l] * col[j];
if (c < m) {
m = c;
}
}
opt[i][j] = m;
}
}
freopen("podm.out", "w", stdout);
printf("%lld\n", opt[1][N]);
return 0;
}