Submission #1094402

#TimeUsernameProblemLanguageResultExecution timeMemory
1094402_8_8_Cookies (JOI23_cookies)C++17
0 / 100
4 ms604 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 5e2 + 12, MOD = (int)1e9 + 7; int n, m, b[N], s = 0, val[N], c[N], p[N]; pair<int, int> a[N]; bool dp[N][N][N]; bool check(int j, int k) { return (val[k] >= j); } void out(int res) { vector<int> d; int i = m, j = s, k = res; while(j) { if(dp[i - 1][j][k]) { i--; continue; } assert(j - b[i] >= 0); j -= b[i]; k--; d.push_back(b[i]); if(dp[i - 1][j][k]) { i--; } } cout << res << '\n'; for(int i:d) { sort(a + 1, a + n + 1); reverse(a + 1, a + n + 1); cout << i << ' '; for(int j = 1; j <= i; j++) { a[j].first--; cout << a[j].second << ' '; } cout << '\n'; } } void test() { cin >> n; for(int i = 1; i <= n; i++) { cin >> a[i].first, c[i] = a[i].first; s += c[i]; a[i].second = i; } sort(a + 1, a + n + 1); sort(c + 1, c + n + 1); for(int i = 1; i <= n; i++) { p[i] = p[i - 1] + c[i]; } int it = n; for(int i = n; i >= 1; i--) { while(it >= 1 && c[it] >= i) { it--; } val[i] = p[it] + (n - it) * 1ll * i; } cin >> m; for(int i = 1; i <= m; i++) { cin >> b[i]; } reverse(b + 1, b + m + 1); dp[0][0][0] = 1; for(int i = 1; i <= m; i++) { for(int j = 1; j <= s; j++) { for(int k = 1; k <= s; k++) { dp[i][j][k] = dp[i - 1][j][k]; if(j - b[i] >= 0 && (dp[i - 1][j - b[i]][k - 1] || dp[i][j - b[i]][k - 1]) && check(j, k)) { dp[i][j][k] = 1; // cout << i << ' ' << j << ' ' << k << '\n'; } // if(i == 2 && j == 8 && k == 2) { // cout << check(j, k) << '\n'; // } } } } for(int i = 1; i <= s; i++) { if(dp[m][s][i]) { out(i); return; } } cout << -1 << '\n'; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); int t = 1; // cin >> t; while(t--) test(); return 0; }
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