#include <iostream> using namespace std; using ll = long long; #define rep(i, l, r) for(ll i = l; i <= r; i++) ll N, S; ll A[2020], pf[2020]; int main(int argc, const char * argv[]) { N = 1818; rep(i, 1, N){ S = 0; rep(j, 1, N) { cin >> A[j]; S += A[j] * j; pf[j] = A[j] + pf[j-1]; } ll ans = S; rep(j, 0, N){ if( j ) ans = min(ans, S); S = S - (pf[N] - pf[j]) + pf[j]; } cout << ans << '\n'; } return 0; }
Standard input is empty
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