#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define L(i, j, k) for (int i = (j); i <= (k); ++i)
#define R(i, j, k) for (int i = (j); i >= (k); --i)
#define rep0(i, n) L(i, 0, n - 1)
#define rep1(i, n) L(i, 1, n)
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
int n, k; cin >> n >> k;
vector<vector<i64>> r(n, vector<i64>(k)), u(n, vector<i64>(k));
vector<vector<pair<i64, int>>> P(k);
int ans = 0;
queue<int> q;
vector<i64> sum(k);
vector<int> cnt(n), pt(k);
vector<bool> vis(n);
L(i, 0, n - 1) L(j, 0, k - 1) cin >> r[i][j];
L(i, 0, n - 1) L(j, 0, k - 1) cin >> u[i][j];
L(i, 0, n - 1) L(j, 0, k - 1) P[j].push_back(make_pair(r[i][j], i));
L(i, 0, k - 1) sort(P[i].begin(), P[i].end());
int root = -1;
L(i, 0, n - 1) {
bool all0 = true;
L(j, 0, k - 1) if(r[i][j] > 0) all0 = false;
if(all0) root = i;
}
if (root == -1) {
cout << "0\n";
return 0;
}
q.push(root);
while (!q.empty()) {
int nw = q.front(); q.pop();
if(vis[nw]) continue;
vis[nw] = true;
ans++;
L(j, 0, k - 1) {
sum[j] += u[nw][j];
while (pt[j] < n && P[j][pt[j]].first <= sum[j]) {
if (++cnt[P[j][pt[j]].second] == k) q.push(P[j][pt[j]].second);
pt[j]++;
}
}
}
cout << ans << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
2 ms |
1372 KB |
Output is correct |
| 4 |
Correct |
175 ms |
88600 KB |
Output is correct |
| 5 |
Correct |
183 ms |
88892 KB |
Output is correct |
| 6 |
Correct |
176 ms |
88596 KB |
Output is correct |
| 7 |
Correct |
144 ms |
85704 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
456 KB |
Output is correct |
| 7 |
Correct |
3 ms |
980 KB |
Output is correct |
| 8 |
Correct |
3 ms |
856 KB |
Output is correct |
| 9 |
Correct |
2 ms |
740 KB |
Output is correct |
| 10 |
Correct |
3 ms |
860 KB |
Output is correct |
| 11 |
Correct |
2 ms |
960 KB |
Output is correct |
| 12 |
Correct |
3 ms |
860 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
452 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2140 KB |
Output is correct |
| 4 |
Correct |
35 ms |
15308 KB |
Output is correct |
| 5 |
Correct |
33 ms |
15260 KB |
Output is correct |
| 6 |
Correct |
430 ms |
146600 KB |
Output is correct |
| 7 |
Correct |
415 ms |
145080 KB |
Output is correct |
| 8 |
Correct |
450 ms |
146828 KB |
Output is correct |
| 9 |
Correct |
417 ms |
145660 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
2 ms |
1372 KB |
Output is correct |
| 4 |
Correct |
175 ms |
88600 KB |
Output is correct |
| 5 |
Correct |
183 ms |
88892 KB |
Output is correct |
| 6 |
Correct |
176 ms |
88596 KB |
Output is correct |
| 7 |
Correct |
144 ms |
85704 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
456 KB |
Output is correct |
| 14 |
Correct |
3 ms |
980 KB |
Output is correct |
| 15 |
Correct |
3 ms |
856 KB |
Output is correct |
| 16 |
Correct |
2 ms |
740 KB |
Output is correct |
| 17 |
Correct |
3 ms |
860 KB |
Output is correct |
| 18 |
Correct |
2 ms |
960 KB |
Output is correct |
| 19 |
Correct |
3 ms |
860 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
452 KB |
Output is correct |
| 22 |
Correct |
5 ms |
2140 KB |
Output is correct |
| 23 |
Correct |
35 ms |
15308 KB |
Output is correct |
| 24 |
Correct |
33 ms |
15260 KB |
Output is correct |
| 25 |
Correct |
430 ms |
146600 KB |
Output is correct |
| 26 |
Correct |
415 ms |
145080 KB |
Output is correct |
| 27 |
Correct |
450 ms |
146828 KB |
Output is correct |
| 28 |
Correct |
417 ms |
145660 KB |
Output is correct |
| 29 |
Correct |
235 ms |
55032 KB |
Output is correct |
| 30 |
Correct |
215 ms |
49676 KB |
Output is correct |
| 31 |
Correct |
282 ms |
55496 KB |
Output is correct |
| 32 |
Correct |
172 ms |
45396 KB |
Output is correct |
| 33 |
Correct |
188 ms |
42576 KB |
Output is correct |
| 34 |
Correct |
216 ms |
45520 KB |
Output is correct |
| 35 |
Correct |
257 ms |
51972 KB |
Output is correct |
| 36 |
Correct |
226 ms |
48452 KB |
Output is correct |
| 37 |
Correct |
244 ms |
51408 KB |
Output is correct |
| 38 |
Correct |
175 ms |
44340 KB |
Output is correct |
