| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1017668 |
2024-07-09T09:25:15 Z |
vjudge1 |
Feast (NOI19_feast) |
C++17 |
|
87 ms |
8644 KB |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
int n,k; cin >> n >> k;
int a[n+1];
for (int i = 1; i <= n; cin >> a[i++]) {}
long long l = 0, r = 5e13, ans;
while (r > l) {
long long lambda = (l+r)/2;
long long dp[n+1][2];
int cnt[n+1][2];
dp[0][0] = 0;
cnt[0][0] = 0;
dp[0][1] = -1e18;
for (int i = 1; i <= n; i++) {
if (dp[i-1][0] > dp[i-1][1]) {
dp[i][0] = dp[i-1][0];
cnt[i][0] = cnt[i-1][0];
} else {
dp[i][0]= dp[i-1][1];
cnt[i][0] = cnt[i-1][1];
}
if (dp[i-1][0] - lambda > dp[i-1][1]) {
dp[i][1] = dp[i-1][0] - lambda + a[i];
cnt[i][1] = cnt[i-1][0] + 1;
} else {
dp[i][1] = dp[i-1][1] + a[i];
cnt[i][1] = cnt[i-1][1];
}
}
double friends;
if (dp[n][0] > dp[n][1]) {
ans = dp[n][0] + lambda*cnt[n][0];
friends = cnt[n][0];
} else {
ans = dp[n][1] + lambda*cnt[n][1];
friends = cnt[n][1];
}
if (friends == k) {
break;
}
if (friends > k) l = lambda+1;
else r = lambda-1;
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
41 ms |
8404 KB |
Output is correct |
| 2 |
Correct |
41 ms |
8528 KB |
Output is correct |
| 3 |
Correct |
50 ms |
8532 KB |
Output is correct |
| 4 |
Correct |
42 ms |
8528 KB |
Output is correct |
| 5 |
Correct |
52 ms |
8516 KB |
Output is correct |
| 6 |
Correct |
48 ms |
8272 KB |
Output is correct |
| 7 |
Correct |
41 ms |
8408 KB |
Output is correct |
| 8 |
Correct |
45 ms |
8556 KB |
Output is correct |
| 9 |
Correct |
41 ms |
8276 KB |
Output is correct |
| 10 |
Correct |
42 ms |
8280 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
36 ms |
8284 KB |
Output is correct |
| 2 |
Correct |
24 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
24 ms |
8280 KB |
Output is correct |
| 4 |
Correct |
58 ms |
8284 KB |
Output is correct |
| 5 |
Correct |
22 ms |
8280 KB |
Output is correct |
| 6 |
Correct |
23 ms |
8536 KB |
Output is correct |
| 7 |
Correct |
59 ms |
8644 KB |
Output is correct |
| 8 |
Correct |
23 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
42 ms |
8232 KB |
Output is correct |
| 10 |
Correct |
35 ms |
8540 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
8508 KB |
Output is correct |
| 2 |
Correct |
41 ms |
8284 KB |
Output is correct |
| 3 |
Correct |
34 ms |
8272 KB |
Output is correct |
| 4 |
Correct |
36 ms |
8276 KB |
Output is correct |
| 5 |
Correct |
35 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
37 ms |
8516 KB |
Output is correct |
| 7 |
Correct |
37 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
37 ms |
8508 KB |
Output is correct |
| 9 |
Correct |
35 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
47 ms |
8540 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 |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
41 ms |
8404 KB |
Output is correct |
| 2 |
Correct |
41 ms |
8528 KB |
Output is correct |
| 3 |
Correct |
50 ms |
8532 KB |
Output is correct |
| 4 |
Correct |
42 ms |
8528 KB |
Output is correct |
| 5 |
Correct |
52 ms |
8516 KB |
Output is correct |
| 6 |
Correct |
48 ms |
8272 KB |
Output is correct |
| 7 |
Correct |
41 ms |
8408 KB |
Output is correct |
| 8 |
Correct |
45 ms |
8556 KB |
Output is correct |
| 9 |
Correct |
41 ms |
8276 KB |
Output is correct |
| 10 |
Correct |
42 ms |
8280 KB |
Output is correct |
| 11 |
Correct |
36 ms |
8284 KB |
Output is correct |
| 12 |
Correct |
24 ms |
8540 KB |
Output is correct |
| 13 |
Correct |
24 ms |
8280 KB |
Output is correct |
| 14 |
Correct |
58 ms |
8284 KB |
Output is correct |
| 15 |
Correct |
22 ms |
8280 KB |
Output is correct |
| 16 |
Correct |
23 ms |
8536 KB |
Output is correct |
| 17 |
Correct |
59 ms |
8644 KB |
Output is correct |
| 18 |
Correct |
23 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
42 ms |
8232 KB |
Output is correct |
| 20 |
Correct |
35 ms |
8540 KB |
Output is correct |
| 21 |
Correct |
34 ms |
8508 KB |
Output is correct |
| 22 |
Correct |
41 ms |
8284 KB |
Output is correct |
| 23 |
Correct |
34 ms |
8272 KB |
Output is correct |
| 24 |
Correct |
36 ms |
8276 KB |
Output is correct |
| 25 |
Correct |
35 ms |
8540 KB |
Output is correct |
| 26 |
Correct |
37 ms |
8516 KB |
Output is correct |
| 27 |
Correct |
37 ms |
8540 KB |
Output is correct |
| 28 |
Correct |
37 ms |
8508 KB |
Output is correct |
| 29 |
Correct |
35 ms |
8540 KB |
Output is correct |
| 30 |
Correct |
47 ms |
8540 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
348 KB |
Output is correct |
| 35 |
Correct |
0 ms |
344 KB |
Output is correct |
| 36 |
Correct |
0 ms |
348 KB |
Output is correct |
| 37 |
Correct |
0 ms |
348 KB |
Output is correct |
| 38 |
Correct |
0 ms |
348 KB |
Output is correct |
| 39 |
Correct |
0 ms |
348 KB |
Output is correct |
| 40 |
Correct |
0 ms |
348 KB |
Output is correct |
| 41 |
Correct |
0 ms |
348 KB |
Output is correct |
| 42 |
Correct |
0 ms |
348 KB |
Output is correct |
| 43 |
Correct |
0 ms |
348 KB |
Output is correct |
| 44 |
Correct |
0 ms |
348 KB |
Output is correct |
| 45 |
Correct |
0 ms |
348 KB |
Output is correct |
| 46 |
Correct |
0 ms |
348 KB |
Output is correct |
| 47 |
Correct |
0 ms |
348 KB |
Output is correct |
| 48 |
Correct |
0 ms |
348 KB |
Output is correct |
| 49 |
Correct |
0 ms |
344 KB |
Output is correct |
| 50 |
Correct |
0 ms |
348 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
348 KB |
Output is correct |
| 53 |
Correct |
0 ms |
348 KB |
Output is correct |
| 54 |
Correct |
1 ms |
348 KB |
Output is correct |
| 55 |
Correct |
1 ms |
348 KB |
Output is correct |
| 56 |
Correct |
1 ms |
344 KB |
Output is correct |
| 57 |
Correct |
0 ms |
348 KB |
Output is correct |
| 58 |
Correct |
1 ms |
344 KB |
Output is correct |
| 59 |
Correct |
1 ms |
348 KB |
Output is correct |
| 60 |
Correct |
1 ms |
348 KB |
Output is correct |
| 61 |
Correct |
71 ms |
8532 KB |
Output is correct |
| 62 |
Correct |
84 ms |
8540 KB |
Output is correct |
| 63 |
Correct |
55 ms |
8240 KB |
Output is correct |
| 64 |
Correct |
75 ms |
8520 KB |
Output is correct |
| 65 |
Correct |
63 ms |
8536 KB |
Output is correct |
| 66 |
Correct |
70 ms |
8516 KB |
Output is correct |
| 67 |
Correct |
87 ms |
8240 KB |
Output is correct |
| 68 |
Correct |
42 ms |
8528 KB |
Output is correct |
| 69 |
Correct |
42 ms |
8284 KB |
Output is correct |
| 70 |
Correct |
58 ms |
8228 KB |
Output is correct |
