#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll INF=1e9+7;
const int LIM=2007;
int dp[LIM];
ll sum[LIM];
ll cnt(int l, int r) {
return sum[r]-(l?sum[l-1]:0);
}
int solve(vector<ll>T) {
int n=T.size();
rep(i, n) {
sum[i]=T[i];
if(i) sum[i]+=sum[i-1];
dp[i]=-INF;
}
dp[0]=1;
for(int i=1; i<n; ++i) {
if(cnt(0, i-1)>T[i]) dp[i]=2;
rep(j, i-1) if(cnt(j+1, i-1)>max(T[i], T[j])) dp[i]=max(dp[i], dp[j]+2);
}
int ans=max(1, dp[n-1]);
rep(i, n-1) if(T[i]<cnt(i+1, n-1)) ans=max(ans, dp[i]+1);
return ans;
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n;
cin >> n;
vector<ll>T(n);
rep(i, n) cin >> T[i];
int q;
cin >> q;
while(q--) {
ll x, y, a, b;
cin >> x >> y >> a >> b; --x; --b;
T[x]=y;
vector<ll>P;
while(a<=b) {
P.pb(T[a]);
++a;
}
cout << solve(P) << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 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 |
224 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 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 |
224 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
340 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 |
7 ms |
340 KB |
Output is correct |
27 |
Correct |
5 ms |
340 KB |
Output is correct |
28 |
Correct |
7 ms |
340 KB |
Output is correct |
29 |
Correct |
6 ms |
336 KB |
Output is correct |
30 |
Correct |
4 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
340 KB |
Output is correct |
32 |
Correct |
4 ms |
336 KB |
Output is correct |
33 |
Correct |
3 ms |
340 KB |
Output is correct |
34 |
Correct |
5 ms |
340 KB |
Output is correct |
35 |
Correct |
5 ms |
340 KB |
Output is correct |
36 |
Correct |
3 ms |
340 KB |
Output is correct |
37 |
Correct |
6 ms |
340 KB |
Output is correct |
38 |
Correct |
3 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 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 |
224 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
340 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 |
7 ms |
340 KB |
Output is correct |
27 |
Correct |
5 ms |
340 KB |
Output is correct |
28 |
Correct |
7 ms |
340 KB |
Output is correct |
29 |
Correct |
6 ms |
336 KB |
Output is correct |
30 |
Correct |
4 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
340 KB |
Output is correct |
32 |
Correct |
4 ms |
336 KB |
Output is correct |
33 |
Correct |
3 ms |
340 KB |
Output is correct |
34 |
Correct |
5 ms |
340 KB |
Output is correct |
35 |
Correct |
5 ms |
340 KB |
Output is correct |
36 |
Correct |
3 ms |
340 KB |
Output is correct |
37 |
Correct |
6 ms |
340 KB |
Output is correct |
38 |
Correct |
3 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
18 ms |
3920 KB |
Output is correct |
42 |
Correct |
19 ms |
4320 KB |
Output is correct |
43 |
Runtime error |
29 ms |
6516 KB |
Execution killed with signal 11 |
44 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
188 ms |
1944 KB |
Output is correct |
3 |
Correct |
2974 ms |
3744 KB |
Output is correct |
4 |
Runtime error |
29 ms |
6752 KB |
Execution killed with signal 11 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
161 ms |
2232 KB |
Output is correct |
4 |
Correct |
3154 ms |
3548 KB |
Output is correct |
5 |
Runtime error |
18 ms |
6512 KB |
Execution killed with signal 11 |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 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 |
224 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
340 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 |
7 ms |
340 KB |
Output is correct |
27 |
Correct |
5 ms |
340 KB |
Output is correct |
28 |
Correct |
7 ms |
340 KB |
Output is correct |
29 |
Correct |
6 ms |
336 KB |
Output is correct |
30 |
Correct |
4 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
340 KB |
Output is correct |
32 |
Correct |
4 ms |
336 KB |
Output is correct |
33 |
Correct |
3 ms |
340 KB |
Output is correct |
34 |
Correct |
5 ms |
340 KB |
Output is correct |
35 |
Correct |
5 ms |
340 KB |
Output is correct |
36 |
Correct |
3 ms |
340 KB |
Output is correct |
37 |
Correct |
6 ms |
340 KB |
Output is correct |
38 |
Correct |
3 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
18 ms |
3920 KB |
Output is correct |
42 |
Correct |
19 ms |
4320 KB |
Output is correct |
43 |
Runtime error |
29 ms |
6516 KB |
Execution killed with signal 11 |
44 |
Halted |
0 ms |
0 KB |
- |