Submission #896852

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
896852	2024-01-02T09:51:17 Z	abcvuitunggio	Radio Towers (IOI22_towers)	C++17	23 / 100	4000 ms	3160 KB

towers

#include "towers.h"
#include <bits/stdc++.h>
using namespace std;
const int INF=2e9;
int l[100001],r[100001],a[100001],b[100001];
stack <int> st;
void init(int N, vector <int> H){
    for (int i=0;i<N;i++){
        a[i]=b[i]=H[i];
        r[i]=N-1;
        while (!st.empty()&&H[st.top()]>H[i]){
            r[st.top()]=i-1;
            a[i]=max(a[i],a[st.top()]);
            int x=b[st.top()];
            st.pop();
            if (!st.empty())
                b[st.top()]=max(b[st.top()],x);
        }
        l[i]=(st.empty()?0:st.top()+1);
        st.push(i);
    }
    for (int i=0;i<N;i++){
        a[i]-=H[i];
        b[i]-=H[i];
        if (!l[i])
            a[i]=INF;
        if (r[i]==N-1)
            b[i]=INF;
        l[i]--;
        r[i]++;
    }
}
int max_towers(int L, int R, int D){
    int res=0;
    for (int i=L;i<=R;i++){
        int x=INF,y=INF;
        if (l[i]>=L)
            x=a[i];
        if (r[i]<=R)
            y=b[i];
        res+=(min(x,y)>=D);
    }
    return res;
}

Subtask #1
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1363 ms	1900 KB	Output is correct
2	Execution timed out	4019 ms	3160 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #2
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	596 KB	Output is correct
7	Correct	0 ms	600 KB	Output is correct
8	Correct	1 ms	392 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	432 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	388 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	1 ms	600 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct

Subtask #3
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	596 KB	Output is correct
7	Correct	0 ms	600 KB	Output is correct
8	Correct	1 ms	392 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	432 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	388 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	1 ms	600 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	7 ms	1984 KB	Output is correct
37	Correct	11 ms	2796 KB	Output is correct
38	Correct	10 ms	2636 KB	Output is correct
39	Correct	15 ms	2640 KB	Output is correct
40	Correct	10 ms	2632 KB	Output is correct
41	Correct	10 ms	2632 KB	Output is correct
42	Correct	10 ms	2628 KB	Output is correct
43	Correct	9 ms	3144 KB	Output is correct
44	Correct	10 ms	2640 KB	Output is correct
45	Correct	10 ms	2888 KB	Output is correct
46	Correct	10 ms	2640 KB	Output is correct
47	Correct	17 ms	2628 KB	Output is correct
48	Correct	10 ms	2636 KB	Output is correct
49	Correct	10 ms	2632 KB	Output is correct
50	Correct	10 ms	2636 KB	Output is correct
51	Correct	10 ms	3140 KB	Output is correct
52	Correct	11 ms	2628 KB	Output is correct
53	Correct	10 ms	2632 KB	Output is correct
54	Correct	11 ms	2632 KB	Output is correct
55	Correct	10 ms	2628 KB	Output is correct
56	Correct	10 ms	3052 KB	Output is correct
57	Correct	10 ms	2620 KB	Output is correct
58	Correct	11 ms	2744 KB	Output is correct
59	Correct	11 ms	2628 KB	Output is correct
60	Correct	10 ms	2628 KB	Output is correct
61	Correct	13 ms	2632 KB	Output is correct
62	Correct	10 ms	2636 KB	Output is correct
63	Correct	10 ms	2632 KB	Output is correct
64	Correct	10 ms	3144 KB	Output is correct
65	Correct	11 ms	2884 KB	Output is correct
66	Correct	10 ms	3056 KB	Output is correct
67	Correct	9 ms	2632 KB	Output is correct

Subtask #4
0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3360 ms	2632 KB	Output is correct
2	Execution timed out	4083 ms	2632 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1035 ms	1008 KB	Output is correct
2	Execution timed out	4016 ms	2636 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #6
0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	596 KB	Output is correct
7	Correct	0 ms	600 KB	Output is correct
8	Correct	1 ms	392 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	432 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	388 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	1 ms	600 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	7 ms	1984 KB	Output is correct
37	Correct	11 ms	2796 KB	Output is correct
38	Correct	10 ms	2636 KB	Output is correct
39	Correct	15 ms	2640 KB	Output is correct
40	Correct	10 ms	2632 KB	Output is correct
41	Correct	10 ms	2632 KB	Output is correct
42	Correct	10 ms	2628 KB	Output is correct
43	Correct	9 ms	3144 KB	Output is correct
44	Correct	10 ms	2640 KB	Output is correct
45	Correct	10 ms	2888 KB	Output is correct
46	Correct	10 ms	2640 KB	Output is correct
47	Correct	17 ms	2628 KB	Output is correct
48	Correct	10 ms	2636 KB	Output is correct
49	Correct	10 ms	2632 KB	Output is correct
50	Correct	10 ms	2636 KB	Output is correct
51	Correct	10 ms	3140 KB	Output is correct
52	Correct	11 ms	2628 KB	Output is correct
53	Correct	10 ms	2632 KB	Output is correct
54	Correct	11 ms	2632 KB	Output is correct
55	Correct	10 ms	2628 KB	Output is correct
56	Correct	10 ms	3052 KB	Output is correct
57	Correct	10 ms	2620 KB	Output is correct
58	Correct	11 ms	2744 KB	Output is correct
59	Correct	11 ms	2628 KB	Output is correct
60	Correct	10 ms	2628 KB	Output is correct
61	Correct	13 ms	2632 KB	Output is correct
62	Correct	10 ms	2636 KB	Output is correct
63	Correct	10 ms	2632 KB	Output is correct
64	Correct	10 ms	3144 KB	Output is correct
65	Correct	11 ms	2884 KB	Output is correct
66	Correct	10 ms	3056 KB	Output is correct
67	Correct	9 ms	2632 KB	Output is correct
68	Correct	3360 ms	2632 KB	Output is correct
69	Execution timed out	4083 ms	2632 KB	Time limit exceeded
70	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1363 ms	1900 KB	Output is correct
2	Execution timed out	4019 ms	3160 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Submission #896852

Compilation message

Subtask #1 0 / 4.0

Subtask #2 11.0 / 11.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 14.0

Subtask #5 0 / 17.0

Subtask #6 0 / 19.0

Subtask #7 0 / 23.0

Subtask #1
0 / 4.0

Subtask #2
11.0 / 11.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 14.0

Subtask #5
0 / 17.0

Subtask #6
0 / 19.0

Subtask #7
0 / 23.0