#include<bits/stdc++.h>
using namespace std;
#define gc getchar
#define pc putchar
int in(){
char c=gc();
for(; c<'0'||'9'<c; c=gc());
int rs=c-'0'; c=gc();
for(; '0'<=c && c<='9'; c=gc())
rs=(rs<<1)+(rs<<3)+(c-'0');
return rs;
}
void out(int _n){
int N=_n, rev, count=0;
rev=N;
if(N==0) {pc('0'); return;}
while((rev%10)==0) {count++; rev/=10;}
rev=0;
while(N!=0) {rev=(rev<<3)+(rev<<1)+N%10; N/=10;}
while(rev!=0) {pc(rev%10+'0'); rev/=10;}
while(count--) pc('0');
}
vector<pair<int, int> >ansv;
vector<int>v;
int len, n;
int main(){
len=in(), n=in();
for(int tc=0; tc<n; tc++){
int x=in();
v.resize(x+1); v[0]=0;
for(int i=1; i<=x; i++)
v[i]=in()+v[i-1];
for(int i=1; i<=x; i++){
int lf=len-(v[x]-v[i-1])+1, rg=v[i];
if(lf<=rg) ansv.emplace_back(lf, rg);
}
}
sort(ansv.begin(), ansv.end());
if(ansv.size()==0){pc('0'); pc('\n'); return 0;}
int lf=ansv[0].first, rg=ansv[0].second, ans=0;
for(int i=1; i<ansv.size(); i++){
int ln=ansv[i].first, rn=ansv[i].second;
if(rg+1<ln){
ans+=rg-lf+1;
lf=ln; rg=rn;
}else rg=max(rg, rn);
}
ans+=rg-lf+1;
out(ans); pc('\n'); return 0;
}
Compilation message
lasers.cpp: In function 'int main()':
lasers.cpp:41:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=1; i<ansv.size(); i++){
~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
4 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
256 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
4 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
256 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
256 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
96 ms |
10076 KB |
Output is correct |
13 |
Correct |
5 ms |
256 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 |
103 ms |
7908 KB |
Output is correct |
18 |
Correct |
5 ms |
416 KB |
Output is correct |
19 |
Correct |
5 ms |
256 KB |
Output is correct |
20 |
Correct |
4 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
3828 KB |
Output is correct |
2 |
Correct |
9 ms |
1152 KB |
Output is correct |
3 |
Correct |
10 ms |
1024 KB |
Output is correct |
4 |
Correct |
35 ms |
3836 KB |
Output is correct |
5 |
Correct |
17 ms |
2380 KB |
Output is correct |
6 |
Correct |
21 ms |
3068 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
23 ms |
3320 KB |
Output is correct |
9 |
Correct |
18 ms |
3316 KB |
Output is correct |
10 |
Correct |
34 ms |
4016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
256 KB |
Output is correct |
3 |
Correct |
4 ms |
256 KB |
Output is correct |
4 |
Correct |
4 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
3828 KB |
Output is correct |
2 |
Correct |
9 ms |
1152 KB |
Output is correct |
3 |
Correct |
10 ms |
1024 KB |
Output is correct |
4 |
Correct |
35 ms |
3836 KB |
Output is correct |
5 |
Correct |
17 ms |
2380 KB |
Output is correct |
6 |
Correct |
21 ms |
3068 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
23 ms |
3320 KB |
Output is correct |
9 |
Correct |
18 ms |
3316 KB |
Output is correct |
10 |
Correct |
34 ms |
4016 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
256 KB |
Output is correct |
13 |
Correct |
4 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
256 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
4 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
384 KB |
Output is correct |
21 |
Correct |
93 ms |
7032 KB |
Output is correct |
22 |
Correct |
18 ms |
1532 KB |
Output is correct |
23 |
Correct |
12 ms |
1404 KB |
Output is correct |
24 |
Correct |
34 ms |
3864 KB |
Output is correct |
25 |
Correct |
93 ms |
6756 KB |
Output is correct |
26 |
Correct |
33 ms |
3700 KB |
Output is correct |
27 |
Correct |
16 ms |
1532 KB |
Output is correct |
28 |
Correct |
91 ms |
6756 KB |
Output is correct |
29 |
Correct |
92 ms |
6732 KB |
Output is correct |
30 |
Correct |
26 ms |
2480 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
4 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
256 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
256 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
96 ms |
10076 KB |
Output is correct |
13 |
Correct |
5 ms |
256 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 |
103 ms |
7908 KB |
Output is correct |
18 |
Correct |
5 ms |
416 KB |
Output is correct |
19 |
Correct |
5 ms |
256 KB |
Output is correct |
20 |
Correct |
4 ms |
256 KB |
Output is correct |
21 |
Correct |
30 ms |
3828 KB |
Output is correct |
22 |
Correct |
9 ms |
1152 KB |
Output is correct |
23 |
Correct |
10 ms |
1024 KB |
Output is correct |
24 |
Correct |
35 ms |
3836 KB |
Output is correct |
25 |
Correct |
17 ms |
2380 KB |
Output is correct |
26 |
Correct |
21 ms |
3068 KB |
Output is correct |
27 |
Correct |
5 ms |
384 KB |
Output is correct |
28 |
Correct |
23 ms |
3320 KB |
Output is correct |
29 |
Correct |
18 ms |
3316 KB |
Output is correct |
30 |
Correct |
34 ms |
4016 KB |
Output is correct |
31 |
Correct |
5 ms |
384 KB |
Output is correct |
32 |
Correct |
4 ms |
256 KB |
Output is correct |
33 |
Correct |
4 ms |
256 KB |
Output is correct |
34 |
Correct |
4 ms |
256 KB |
Output is correct |
35 |
Correct |
5 ms |
256 KB |
Output is correct |
36 |
Correct |
5 ms |
384 KB |
Output is correct |
37 |
Correct |
4 ms |
384 KB |
Output is correct |
38 |
Correct |
5 ms |
384 KB |
Output is correct |
39 |
Correct |
4 ms |
384 KB |
Output is correct |
40 |
Correct |
4 ms |
384 KB |
Output is correct |
41 |
Correct |
93 ms |
7032 KB |
Output is correct |
42 |
Correct |
18 ms |
1532 KB |
Output is correct |
43 |
Correct |
12 ms |
1404 KB |
Output is correct |
44 |
Correct |
34 ms |
3864 KB |
Output is correct |
45 |
Correct |
93 ms |
6756 KB |
Output is correct |
46 |
Correct |
33 ms |
3700 KB |
Output is correct |
47 |
Correct |
16 ms |
1532 KB |
Output is correct |
48 |
Correct |
91 ms |
6756 KB |
Output is correct |
49 |
Correct |
92 ms |
6732 KB |
Output is correct |
50 |
Correct |
26 ms |
2480 KB |
Output is correct |
51 |
Correct |
18 ms |
1656 KB |
Output is correct |
52 |
Correct |
107 ms |
8172 KB |
Output is correct |
53 |
Correct |
105 ms |
7780 KB |
Output is correct |
54 |
Correct |
31 ms |
2936 KB |
Output is correct |
55 |
Correct |
67 ms |
5232 KB |
Output is correct |
56 |
Correct |
36 ms |
4204 KB |
Output is correct |
57 |
Correct |
46 ms |
4588 KB |
Output is correct |
58 |
Correct |
110 ms |
8036 KB |
Output is correct |
59 |
Correct |
33 ms |
2676 KB |
Output is correct |
60 |
Correct |
46 ms |
3688 KB |
Output is correct |