Submission #219999

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
219999	2020-04-06 19:41:31	edsa	Nafta (COI15_nafta)	C++17	100 / 100	281 ms	36412 KiB

nafta

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
using vll = vector<ll>;
using vii = vector<ii>;
const ll MOD = 998244353;
const int INF = 1e9+9;
const int MAXN = 2003;
int R, S;
vii LE[MAXN], RE[MAXN];
string r[MAXN];
int dp[MAXN], olddp[MAXN], adp[MAXN][MAXN];
void calc_adp() {
    for (int i = 1; i <= S; ++i) {
        for (auto [L, v] : RE[i-1]) {
            adp[i-1][i] += v;
            if (L > 0) adp[L-1][i] -= v;
        }
        for (int j = i-1; j >= 0; --j) {
            adp[j][i] += adp[j+1][i];
        }
        for (int j = i-1; j >= 0; --j) {
            adp[j][i] += adp[j][i-1];
        }
    }
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 23 / 23
• Subtask 3: 66 / 66