oj.uz

Submission #240573

# Submission time Handle Problem Language Result Execution time Memory
240573 2020-06-20T05:59:17 Z arnold518 Lasers (NOI19_lasers) C++14
100 / 100
 532 ms 29212 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 5e5;

int N, MM, K, A[MAXN+10], S[MAXN+10];
map<int, int> M;

int main()
{
	int i, j;

	scanf("%d%d", &N, &MM);
	while(MM--)
	{
		scanf("%d", &K);
		int D=N;
		for(i=1; i<=K; i++) scanf("%d", &A[i]), S[i]=S[i-1]+A[i], D-=A[i];
		S[K+1]=N;

		for(i=0; i<=K; i++)
		{
			int l=S[i]+D+1, r=S[i+1];
			if(l<=r) M[l]++, M[r+1]--;
		}
	}

	int ans=0, sum=0;
	for(auto it=M.begin(); it!=M.end() && next(it)!=M.end(); it++)
	{
		sum+=it->second;
		if(sum!=0) ans+=(next(it)->first)-(it->first);
	}
	printf("%d\n", ans);
}

Compilation message

lasers.cpp: In function 'int main()':
lasers.cpp:15:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j;
         ^
lasers.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &MM);
  ~~~~~^~~~~~~~~~~~~~~~~
lasers.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &K);
   ~~~~~^~~~~~~~~~
lasers.cpp:22:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(i=1; i<=K; i++) scanf("%d", &A[i]), S[i]=S[i-1]+A[i], D-=A[i];
                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~

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 4 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 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 4 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 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 145 ms 6008 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 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 461 ms 25844 KB Output is correct
18 Correct 5 ms 256 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 118 ms 16760 KB Output is correct
2 Correct 23 ms 3328 KB Output is correct
3 Correct 21 ms 2432 KB Output is correct
4 Correct 112 ms 18680 KB Output is correct
5 Correct 47 ms 7800 KB Output is correct
6 Correct 66 ms 8440 KB Output is correct
7 Correct 6 ms 640 KB Output is correct
8 Correct 82 ms 8824 KB Output is correct
9 Correct 84 ms 13560 KB Output is correct
10 Correct 136 ms 20644 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 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 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 118 ms 16760 KB Output is correct
2 Correct 23 ms 3328 KB Output is correct
3 Correct 21 ms 2432 KB Output is correct
4 Correct 112 ms 18680 KB Output is correct
5 Correct 47 ms 7800 KB Output is correct
6 Correct 66 ms 8440 KB Output is correct
7 Correct 6 ms 640 KB Output is correct
8 Correct 82 ms 8824 KB Output is correct
9 Correct 84 ms 13560 KB Output is correct
10 Correct 136 ms 20644 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 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 5 ms 384 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 460 ms 22392 KB Output is correct
22 Correct 68 ms 6520 KB Output is correct
23 Correct 36 ms 5240 KB Output is correct
24 Correct 138 ms 16372 KB Output is correct
25 Correct 466 ms 22392 KB Output is correct
26 Correct 159 ms 12408 KB Output is correct
27 Correct 55 ms 5496 KB Output is correct
28 Correct 448 ms 22392 KB Output is correct
29 Correct 463 ms 22624 KB Output is correct
30 Correct 99 ms 12024 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 4 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 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 145 ms 6008 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 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 461 ms 25844 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 118 ms 16760 KB Output is correct
22 Correct 23 ms 3328 KB Output is correct
23 Correct 21 ms 2432 KB Output is correct
24 Correct 112 ms 18680 KB Output is correct
25 Correct 47 ms 7800 KB Output is correct
26 Correct 66 ms 8440 KB Output is correct
27 Correct 6 ms 640 KB Output is correct
28 Correct 82 ms 8824 KB Output is correct
29 Correct 84 ms 13560 KB Output is correct
30 Correct 136 ms 20644 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 4 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 5 ms 384 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 460 ms 22392 KB Output is correct
42 Correct 68 ms 6520 KB Output is correct
43 Correct 36 ms 5240 KB Output is correct
44 Correct 138 ms 16372 KB Output is correct
45 Correct 466 ms 22392 KB Output is correct
46 Correct 159 ms 12408 KB Output is correct
47 Correct 55 ms 5496 KB Output is correct
48 Correct 448 ms 22392 KB Output is correct
49 Correct 463 ms 22624 KB Output is correct
50 Correct 99 ms 12024 KB Output is correct
51 Correct 51 ms 7288 KB Output is correct
52 Correct 509 ms 28292 KB Output is correct
53 Correct 502 ms 28152 KB Output is correct
54 Correct 107 ms 9224 KB Output is correct
55 Correct 324 ms 22008 KB Output is correct
56 Correct 141 ms 17568 KB Output is correct
57 Correct 200 ms 15864 KB Output is correct
58 Correct 532 ms 29212 KB Output is correct
59 Correct 140 ms 11896 KB Output is correct
60 Correct 187 ms 14584 KB Output is correct