#include <bits/stdc++.h>
#define ll long long
#define longlonginf LONG_LONG_MAX
using namespace std;
ll n,m,x;
ll l,r;
void solve(){
cin>>n;
cin>>m;
vector<vector<ll>> v(m+5);
ll rem[m+5];
memset(rem,0,sizeof(rem));
for(int i = 0 ; i < m ; i++){
cin>>x;
while(x--){
ll k;
cin>>k;
v[i].push_back(k);
rem[i] += k;
}
rem[i] = n-rem[i];
}
vector<pair<ll,ll>> p;
for(int i = 0 ; i < m ; i++){
ll k = 0;
for(auto x : v[i]){
r = k+x;
l = k+1;
if( l+rem[i]-1 < r ){
p.push_back({l+rem[i],r});
//cout<<"{"<<l+rem[i]<<","<<r<<"} ";
}
k += x;
}
//cout<<"\n";
}
if( p.empty() ){
cout<<0<<"\n";
return;
}
sort(p.begin(),p.end());
p.push_back({longlonginf,longlonginf});
ll cur = p[0].first;
ll mx = p[0].second;
ll ans = 0;
for(auto x : p){
if( x.first <= mx ){
mx = max(mx,x.second);
}
else{
//cout<<"! "<<cur<<" "<<mx<<"\n";
ans += mx-cur+1;
cur = x.first;
mx = max(mx,x.second);
}
}
cout<<ans<<"\n";
}
int main(){
int T = 1;
//cin>>T;
for(int i = 1 ; i <= T ; i++){
solve();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
300 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
300 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
262 ms |
45004 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
248 ms |
41564 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
296 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
49 ms |
7448 KB |
Output is correct |
2 |
Correct |
10 ms |
1708 KB |
Output is correct |
3 |
Correct |
13 ms |
1736 KB |
Output is correct |
4 |
Correct |
52 ms |
7512 KB |
Output is correct |
5 |
Correct |
25 ms |
4796 KB |
Output is correct |
6 |
Correct |
56 ms |
5944 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
57 ms |
6972 KB |
Output is correct |
9 |
Correct |
27 ms |
7080 KB |
Output is correct |
10 |
Correct |
70 ms |
7876 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
49 ms |
7448 KB |
Output is correct |
2 |
Correct |
10 ms |
1708 KB |
Output is correct |
3 |
Correct |
13 ms |
1736 KB |
Output is correct |
4 |
Correct |
52 ms |
7512 KB |
Output is correct |
5 |
Correct |
25 ms |
4796 KB |
Output is correct |
6 |
Correct |
56 ms |
5944 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
57 ms |
6972 KB |
Output is correct |
9 |
Correct |
27 ms |
7080 KB |
Output is correct |
10 |
Correct |
70 ms |
7876 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
241 ms |
39840 KB |
Output is correct |
22 |
Correct |
33 ms |
3476 KB |
Output is correct |
23 |
Correct |
17 ms |
2700 KB |
Output is correct |
24 |
Correct |
68 ms |
10520 KB |
Output is correct |
25 |
Correct |
250 ms |
39856 KB |
Output is correct |
26 |
Correct |
81 ms |
8656 KB |
Output is correct |
27 |
Correct |
24 ms |
3088 KB |
Output is correct |
28 |
Correct |
245 ms |
39768 KB |
Output is correct |
29 |
Correct |
247 ms |
39928 KB |
Output is correct |
30 |
Correct |
58 ms |
7140 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
300 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
262 ms |
45004 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
248 ms |
41564 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
296 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
49 ms |
7448 KB |
Output is correct |
22 |
Correct |
10 ms |
1708 KB |
Output is correct |
23 |
Correct |
13 ms |
1736 KB |
Output is correct |
24 |
Correct |
52 ms |
7512 KB |
Output is correct |
25 |
Correct |
25 ms |
4796 KB |
Output is correct |
26 |
Correct |
56 ms |
5944 KB |
Output is correct |
27 |
Correct |
1 ms |
468 KB |
Output is correct |
28 |
Correct |
57 ms |
6972 KB |
Output is correct |
29 |
Correct |
27 ms |
7080 KB |
Output is correct |
30 |
Correct |
70 ms |
7876 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
241 ms |
39840 KB |
Output is correct |
42 |
Correct |
33 ms |
3476 KB |
Output is correct |
43 |
Correct |
17 ms |
2700 KB |
Output is correct |
44 |
Correct |
68 ms |
10520 KB |
Output is correct |
45 |
Correct |
250 ms |
39856 KB |
Output is correct |
46 |
Correct |
81 ms |
8656 KB |
Output is correct |
47 |
Correct |
24 ms |
3088 KB |
Output is correct |
48 |
Correct |
245 ms |
39768 KB |
Output is correct |
49 |
Correct |
247 ms |
39928 KB |
Output is correct |
50 |
Correct |
58 ms |
7140 KB |
Output is correct |
51 |
Correct |
35 ms |
3224 KB |
Output is correct |
52 |
Correct |
273 ms |
40948 KB |
Output is correct |
53 |
Correct |
260 ms |
40928 KB |
Output is correct |
54 |
Correct |
56 ms |
6004 KB |
Output is correct |
55 |
Correct |
128 ms |
12700 KB |
Output is correct |
56 |
Correct |
68 ms |
9680 KB |
Output is correct |
57 |
Correct |
83 ms |
9884 KB |
Output is correct |
58 |
Correct |
282 ms |
41200 KB |
Output is correct |
59 |
Correct |
59 ms |
6316 KB |
Output is correct |
60 |
Correct |
87 ms |
8188 KB |
Output is correct |