//#include <bits/stdc++.h> C++11
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <stdio.h>
#include <time.h>
#include <iomanip>
#include <stdlib.h>
#include <list>
#include <stack>
#include <queue>
#include <climits>
#include <map>
#include <set>
#include <sstream>
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef vector<int> vi;
#define PB push_back
#define MP make_pair
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int L, R, X, temp;
cin >> L >> R;
vi append;
vector<vi> wall;
set<int> blocked;
int flag, maxx;
flag = 1;
maxx = 0;
for (int i = 0; i < R; i++)
{
cin >> X;
if (X > 1)
{
flag = 0;
}
cin >> temp;
maxx = max(maxx, temp);
append.PB(temp);
for (int j = 1; j < X; j++)
{
cin >> temp;
maxx = max(maxx, temp);
append.PB(temp+append[j-1]);
}
wall.PB(append);
append.clear();
}
if (flag == 1)
{
cout << max(2 * maxx - L, 0) << "\n";
}
if (flag == 0)
{
int f2 = 0;
int space;
for (int i = 0; i < R; i++)
{
for(int j=0;j<int(wall[i].size());j++){
if(j==0){
space=L-(wall[i][int(wall[i].size())-1]-wall[i][j]);
//cout<<"space (for wall "<<j<<" in line "<<i<<") = "<<space<<"\n";
for(int k=space-wall[i][j];k<wall[i][j];k++){
blocked.insert(k);
//cout<<k<<"\n";
}
}
else{
space=L-(wall[i][int(wall[i].size())-1]-wall[i][j])-wall[i][j-1];
//cout<<"space (for wall "<<j<<" in line "<<i<<") = "<<space<<"\n";
for(int k=wall[i][j-1]+space-(wall[i][j]-wall[i][j-1]);k<wall[i][j];k++){
blocked.insert(k);
//cout<<k<<"\n";
}
}
}
}
cout << int(blocked.size()) << "\n";
}
}
Compilation message
lasers.cpp: In function 'int main()':
lasers.cpp:63:13: warning: unused variable 'f2' [-Wunused-variable]
int f2 = 0;
^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 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 |
4 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 |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 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 |
4 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 |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
170 ms |
31880 KB |
Output is correct |
13 |
Correct |
4 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 |
165 ms |
32432 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
215 ms |
36460 KB |
Output is correct |
2 |
Correct |
245 ms |
44808 KB |
Output is correct |
3 |
Correct |
75 ms |
17784 KB |
Output is correct |
4 |
Correct |
239 ms |
41708 KB |
Output is correct |
5 |
Correct |
290 ms |
45172 KB |
Output is correct |
6 |
Correct |
154 ms |
34920 KB |
Output is correct |
7 |
Correct |
124 ms |
23672 KB |
Output is correct |
8 |
Correct |
87 ms |
14568 KB |
Output is correct |
9 |
Correct |
329 ms |
44044 KB |
Output is correct |
10 |
Correct |
247 ms |
39920 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 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 |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
6 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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
215 ms |
36460 KB |
Output is correct |
2 |
Correct |
245 ms |
44808 KB |
Output is correct |
3 |
Correct |
75 ms |
17784 KB |
Output is correct |
4 |
Correct |
239 ms |
41708 KB |
Output is correct |
5 |
Correct |
290 ms |
45172 KB |
Output is correct |
6 |
Correct |
154 ms |
34920 KB |
Output is correct |
7 |
Correct |
124 ms |
23672 KB |
Output is correct |
8 |
Correct |
87 ms |
14568 KB |
Output is correct |
9 |
Correct |
329 ms |
44044 KB |
Output is correct |
10 |
Correct |
247 ms |
39920 KB |
Output is correct |
11 |
Correct |
6 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 |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
6 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 |
151 ms |
31856 KB |
Output is correct |
22 |
Execution timed out |
1101 ms |
44408 KB |
Time limit exceeded |
23 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 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 |
4 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 |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
170 ms |
31880 KB |
Output is correct |
13 |
Correct |
4 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 |
165 ms |
32432 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
384 KB |
Output is correct |
21 |
Correct |
215 ms |
36460 KB |
Output is correct |
22 |
Correct |
245 ms |
44808 KB |
Output is correct |
23 |
Correct |
75 ms |
17784 KB |
Output is correct |
24 |
Correct |
239 ms |
41708 KB |
Output is correct |
25 |
Correct |
290 ms |
45172 KB |
Output is correct |
26 |
Correct |
154 ms |
34920 KB |
Output is correct |
27 |
Correct |
124 ms |
23672 KB |
Output is correct |
28 |
Correct |
87 ms |
14568 KB |
Output is correct |
29 |
Correct |
329 ms |
44044 KB |
Output is correct |
30 |
Correct |
247 ms |
39920 KB |
Output is correct |
31 |
Correct |
6 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 |
5 ms |
384 KB |
Output is correct |
36 |
Correct |
6 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 |
151 ms |
31856 KB |
Output is correct |
42 |
Execution timed out |
1101 ms |
44408 KB |
Time limit exceeded |
43 |
Halted |
0 ms |
0 KB |
- |