oj.uz

Submission #239833

# Submission time Handle Problem Language Result Execution time Memory
239833 2020-06-17T11:15:19 Z mhy908 Lasers (NOI19_lasers) C++14
100 / 100
 579 ms 29304 KB 
#include <bits/stdc++.h>
#define eb emplace_back
#define F first
#define S second
using namespace std;
typedef long long LL;
int n, q;
int arr[500010], sum[500010], ans, tmp, pv=1;
map<int, int> m;
int main(){
    scanf("%d %d", &n, &q);
    m[n+1]=0;
    for(int i=1; i<=q; i++){
        int sz;
        scanf("%d", &sz);
        for(int j=1; j<=sz; j++){
            scanf("%d", &arr[j]);
            sum[j]=sum[j-1]+arr[j];
        }
        for(int j=1; j<=sz; j++){
            int e=sum[j], s=n-(sum[sz]-sum[j-1])+1;
            if(s<=e){
                m[s]++;
                m[e+1]--;
            }
        }
    }
    for(auto i:m){
        if(tmp)ans+=i.F-pv+1;
        tmp+=i.S;
        pv=i.F+1;
    }
    printf("%d", ans);
}

Compilation message

lasers.cpp: In function 'int main()':
lasers.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &q);
     ~~~~~^~~~~~~~~~~~~~~~~
lasers.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &sz);
         ~~~~~^~~~~~~~~~~
lasers.cpp:17:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &arr[j]);
             ~~~~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 142 ms 6136 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 448 ms 25720 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 16120 KB Output is correct
2 Correct 23 ms 3328 KB Output is correct
3 Correct 23 ms 2432 KB Output is correct
4 Correct 115 ms 18656 KB Output is correct
5 Correct 46 ms 7672 KB Output is correct
6 Correct 67 ms 8440 KB Output is correct
7 Correct 6 ms 640 KB Output is correct
8 Correct 83 ms 8824 KB Output is correct
9 Correct 83 ms 13560 KB Output is correct
10 Correct 139 ms 20696 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 16120 KB Output is correct
2 Correct 23 ms 3328 KB Output is correct
3 Correct 23 ms 2432 KB Output is correct
4 Correct 115 ms 18656 KB Output is correct
5 Correct 46 ms 7672 KB Output is correct
6 Correct 67 ms 8440 KB Output is correct
7 Correct 6 ms 640 KB Output is correct
8 Correct 83 ms 8824 KB Output is correct
9 Correct 83 ms 13560 KB Output is correct
10 Correct 139 ms 20696 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 461 ms 22652 KB Output is correct
22 Correct 69 ms 6520 KB Output is correct
23 Correct 37 ms 5240 KB Output is correct
24 Correct 145 ms 16376 KB Output is correct
25 Correct 439 ms 22264 KB Output is correct
26 Correct 158 ms 12376 KB Output is correct
27 Correct 54 ms 5496 KB Output is correct
28 Correct 451 ms 22268 KB Output is correct
29 Correct 489 ms 22648 KB Output is correct
30 Correct 106 ms 11896 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 142 ms 6136 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 448 ms 25720 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 113 ms 16120 KB Output is correct
22 Correct 23 ms 3328 KB Output is correct
23 Correct 23 ms 2432 KB Output is correct
24 Correct 115 ms 18656 KB Output is correct
25 Correct 46 ms 7672 KB Output is correct
26 Correct 67 ms 8440 KB Output is correct
27 Correct 6 ms 640 KB Output is correct
28 Correct 83 ms 8824 KB Output is correct
29 Correct 83 ms 13560 KB Output is correct
30 Correct 139 ms 20696 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 6 ms 512 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 461 ms 22652 KB Output is correct
42 Correct 69 ms 6520 KB Output is correct
43 Correct 37 ms 5240 KB Output is correct
44 Correct 145 ms 16376 KB Output is correct
45 Correct 439 ms 22264 KB Output is correct
46 Correct 158 ms 12376 KB Output is correct
47 Correct 54 ms 5496 KB Output is correct
48 Correct 451 ms 22268 KB Output is correct
49 Correct 489 ms 22648 KB Output is correct
50 Correct 106 ms 11896 KB Output is correct
51 Correct 52 ms 7392 KB Output is correct
52 Correct 494 ms 28360 KB Output is correct
53 Correct 476 ms 28156 KB Output is correct
54 Correct 102 ms 9208 KB Output is correct
55 Correct 306 ms 21920 KB Output is correct
56 Correct 135 ms 17400 KB Output is correct
57 Correct 192 ms 15884 KB Output is correct
58 Correct 579 ms 29304 KB Output is correct
59 Correct 132 ms 11896 KB Output is correct
60 Correct 176 ms 14748 KB Output is correct