#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int DIST = 60;
int solve(vector<ll> v){
int n = (int)v.size();
vector<int> dp(n);
dp[0] = 1;
for(int i = 1; i < n; i++){
ll sum = 0;
for(int j = i-1; j >= max(0, i-DIST); j--){
sum += v[j];
if(sum > v[i]){
if(j == 0) dp[i] = max(dp[i], 2);
else if(sum > v[j-1]) dp[i] = max(dp[i], dp[j-1] + 2);
}
}
}
int ans = max(1, dp[n-1]);
ll sum = 0;
for(int i = n-1; i >= 1; i--){
sum += v[i];
if(sum > v[i-1]) ans = max(ans, dp[i-1]+1);
}
return ans;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, Q;
cin >> n;
vector<ll> v(n);
for(int i = 0; i < n; i++) cin >> v[i];
cin >> Q;
for(int q = 0; q < Q; q++){
int x, a, b;
ll y;
cin >> x >> y >> a >> b;
x--;
v[x] = y;
vector<ll> w;
for(int i = a; i < b; i++) w.push_back(v[i]);
cout << solve(w) << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
324 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
2 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
340 KB |
Output is correct |
28 |
Correct |
3 ms |
328 KB |
Output is correct |
29 |
Correct |
2 ms |
340 KB |
Output is correct |
30 |
Correct |
2 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
328 KB |
Output is correct |
32 |
Correct |
2 ms |
340 KB |
Output is correct |
33 |
Correct |
2 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
340 KB |
Output is correct |
35 |
Correct |
2 ms |
340 KB |
Output is correct |
36 |
Correct |
2 ms |
324 KB |
Output is correct |
37 |
Correct |
2 ms |
340 KB |
Output is correct |
38 |
Correct |
2 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
324 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
2 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
340 KB |
Output is correct |
28 |
Correct |
3 ms |
328 KB |
Output is correct |
29 |
Correct |
2 ms |
340 KB |
Output is correct |
30 |
Correct |
2 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
328 KB |
Output is correct |
32 |
Correct |
2 ms |
340 KB |
Output is correct |
33 |
Correct |
2 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
340 KB |
Output is correct |
35 |
Correct |
2 ms |
340 KB |
Output is correct |
36 |
Correct |
2 ms |
324 KB |
Output is correct |
37 |
Correct |
2 ms |
340 KB |
Output is correct |
38 |
Correct |
2 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
26 ms |
3916 KB |
Output is correct |
42 |
Correct |
28 ms |
4312 KB |
Output is correct |
43 |
Correct |
29 ms |
4300 KB |
Output is correct |
44 |
Correct |
22 ms |
3672 KB |
Output is correct |
45 |
Correct |
71 ms |
6912 KB |
Output is correct |
46 |
Correct |
172 ms |
8516 KB |
Output is correct |
47 |
Correct |
136 ms |
6732 KB |
Output is correct |
48 |
Correct |
204 ms |
8776 KB |
Output is correct |
49 |
Correct |
253 ms |
8660 KB |
Output is correct |
50 |
Correct |
168 ms |
7060 KB |
Output is correct |
51 |
Correct |
156 ms |
8460 KB |
Output is correct |
52 |
Correct |
122 ms |
6900 KB |
Output is correct |
53 |
Correct |
257 ms |
9260 KB |
Output is correct |
54 |
Correct |
232 ms |
8144 KB |
Output is correct |
55 |
Correct |
185 ms |
8352 KB |
Output is correct |
56 |
Correct |
159 ms |
6640 KB |
Output is correct |
57 |
Correct |
115 ms |
5892 KB |
Output is correct |
58 |
Correct |
174 ms |
8000 KB |
Output is correct |
59 |
Correct |
54 ms |
7236 KB |
Output is correct |
60 |
Correct |
86 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
298 ms |
4868 KB |
Output is correct |
3 |
Correct |
2302 ms |
6124 KB |
Output is correct |
4 |
Execution timed out |
4073 ms |
4800 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
279 ms |
4608 KB |
Output is correct |
4 |
Correct |
2327 ms |
5084 KB |
Output is correct |
5 |
Execution timed out |
4056 ms |
8120 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
324 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
2 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
340 KB |
Output is correct |
28 |
Correct |
3 ms |
328 KB |
Output is correct |
29 |
Correct |
2 ms |
340 KB |
Output is correct |
30 |
Correct |
2 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
328 KB |
Output is correct |
32 |
Correct |
2 ms |
340 KB |
Output is correct |
33 |
Correct |
2 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
340 KB |
Output is correct |
35 |
Correct |
2 ms |
340 KB |
Output is correct |
36 |
Correct |
2 ms |
324 KB |
Output is correct |
37 |
Correct |
2 ms |
340 KB |
Output is correct |
38 |
Correct |
2 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
26 ms |
3916 KB |
Output is correct |
42 |
Correct |
28 ms |
4312 KB |
Output is correct |
43 |
Correct |
29 ms |
4300 KB |
Output is correct |
44 |
Correct |
22 ms |
3672 KB |
Output is correct |
45 |
Correct |
71 ms |
6912 KB |
Output is correct |
46 |
Correct |
172 ms |
8516 KB |
Output is correct |
47 |
Correct |
136 ms |
6732 KB |
Output is correct |
48 |
Correct |
204 ms |
8776 KB |
Output is correct |
49 |
Correct |
253 ms |
8660 KB |
Output is correct |
50 |
Correct |
168 ms |
7060 KB |
Output is correct |
51 |
Correct |
156 ms |
8460 KB |
Output is correct |
52 |
Correct |
122 ms |
6900 KB |
Output is correct |
53 |
Correct |
257 ms |
9260 KB |
Output is correct |
54 |
Correct |
232 ms |
8144 KB |
Output is correct |
55 |
Correct |
185 ms |
8352 KB |
Output is correct |
56 |
Correct |
159 ms |
6640 KB |
Output is correct |
57 |
Correct |
115 ms |
5892 KB |
Output is correct |
58 |
Correct |
174 ms |
8000 KB |
Output is correct |
59 |
Correct |
54 ms |
7236 KB |
Output is correct |
60 |
Correct |
86 ms |
6492 KB |
Output is correct |
61 |
Correct |
1 ms |
324 KB |
Output is correct |
62 |
Correct |
298 ms |
4868 KB |
Output is correct |
63 |
Correct |
2302 ms |
6124 KB |
Output is correct |
64 |
Execution timed out |
4073 ms |
4800 KB |
Time limit exceeded |
65 |
Halted |
0 ms |
0 KB |
- |