#include<bits/stdc++.h>
using namespace std;
class RURQ{
private:
vector<int> st, lazy;
int size;
void propogate(int pos, int l, int r){
if(lazy[pos]!=-1){
if(l!=r){
int temp = (l+r)/2;
lazy[2*pos+1]=lazy[pos];
st[2*pos+1]=lazy[2*pos+1]*(temp-l+1);
lazy[2*pos+2]=lazy[pos];
st[2*pos+2]=lazy[2*pos+2]*(r-temp);
}
lazy[pos]=-1;
}
}
void privupdate(int pos, int l, int r, int ql, int qr, int val){
if(l>qr || r<ql){
return;
}
else if(ql<=l && r<=qr){
lazy[pos]=val;
st[pos]=val*(r-l+1);
}
else{
propogate(pos, l, r);
int temp = (l+r)/2;
privupdate(2*pos+1, l, temp, ql, qr, val);
privupdate(2*pos+2, temp+1, r, ql, qr, val);
st[pos]=st[2*pos+1]+st[2*pos+2];
}
}
int privgetSum(int pos, int l, int r, int ql, int qr){
if(l>qr || r<ql){
return 0;
}
else if(ql<=l && r<=qr){
return st[pos];
}
else{
int temp = (l+r)/2;
return privgetSum(2*pos+1, l, temp, ql, qr) + privgetSum(2*pos+2, temp+1, r, ql, qr);
}
}
public:
RURQ(int n) : st(4*n+5, 0), lazy(4*n+5, -1), size(n){}
void update(int l, int r){
privupdate(0, 0, size-1, l, r, 1);
}
int getSum(int l, int r){
return privgetSum(0, 0, size-1, l, r);
}
};
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int l, r;
cin >> l >> r;
vector<int> arr[r];
int summ[r] = {0};
bool res = true;
for(int i=0; i<r; i++){
int x;
cin >> x;
for(int j=0; j<x; j++){
int a;
cin >> a;
arr[i].push_back(a);
summ[i]+=a;
}
if(x!=1){
res=false;
}
}
if(res){
int ans = 0;
for(int i=0; i<r; i++){
ans = max(ans, 2*arr[i][0]-l);
}
cout << ans << '\n';
}
else{
RURQ segstree(l);
for(int i=0; i<r; i++){
int x = l-summ[i];
int cur = 0;
for(long long unsigned int j=0; j<arr[i].size(); j++){
if(arr[i][j]>x){
segstree.update(cur+x, cur+arr[i][j]-1);
}
cur+=arr[i][j];
}
}
int temp = segstree.getSum(0, l-1);
cout << temp << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
115 ms |
34760 KB |
Output is correct |
13 |
Correct |
1 ms |
316 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
97 ms |
35184 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
29936 KB |
Output is correct |
2 |
Correct |
24 ms |
30036 KB |
Output is correct |
3 |
Correct |
23 ms |
30956 KB |
Output is correct |
4 |
Correct |
84 ms |
31556 KB |
Output is correct |
5 |
Correct |
46 ms |
32320 KB |
Output is correct |
6 |
Correct |
50 ms |
30464 KB |
Output is correct |
7 |
Correct |
12 ms |
25812 KB |
Output is correct |
8 |
Correct |
50 ms |
28736 KB |
Output is correct |
9 |
Correct |
58 ms |
30336 KB |
Output is correct |
10 |
Correct |
93 ms |
30324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
29936 KB |
Output is correct |
2 |
Correct |
24 ms |
30036 KB |
Output is correct |
3 |
Correct |
23 ms |
30956 KB |
Output is correct |
4 |
Correct |
84 ms |
31556 KB |
Output is correct |
5 |
Correct |
46 ms |
32320 KB |
Output is correct |
6 |
Correct |
50 ms |
30464 KB |
Output is correct |
7 |
Correct |
12 ms |
25812 KB |
Output is correct |
8 |
Correct |
50 ms |
28736 KB |
Output is correct |
9 |
Correct |
58 ms |
30336 KB |
Output is correct |
10 |
Correct |
93 ms |
30324 KB |
Output is correct |
11 |
Correct |
1 ms |
320 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
328 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
96 ms |
33660 KB |
Output is correct |
22 |
Correct |
64 ms |
30340 KB |
Output is correct |
23 |
Correct |
38 ms |
30036 KB |
Output is correct |
24 |
Correct |
95 ms |
31560 KB |
Output is correct |
25 |
Correct |
113 ms |
33628 KB |
Output is correct |
26 |
Correct |
133 ms |
30680 KB |
Output is correct |
27 |
Correct |
58 ms |
30036 KB |
Output is correct |
28 |
Correct |
86 ms |
33528 KB |
Output is correct |
29 |
Correct |
99 ms |
33700 KB |
Output is correct |
30 |
Correct |
72 ms |
30284 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
115 ms |
34760 KB |
Output is correct |
13 |
Correct |
1 ms |
316 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
97 ms |
35184 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
73 ms |
29936 KB |
Output is correct |
22 |
Correct |
24 ms |
30036 KB |
Output is correct |
23 |
Correct |
23 ms |
30956 KB |
Output is correct |
24 |
Correct |
84 ms |
31556 KB |
Output is correct |
25 |
Correct |
46 ms |
32320 KB |
Output is correct |
26 |
Correct |
50 ms |
30464 KB |
Output is correct |
27 |
Correct |
12 ms |
25812 KB |
Output is correct |
28 |
Correct |
50 ms |
28736 KB |
Output is correct |
29 |
Correct |
58 ms |
30336 KB |
Output is correct |
30 |
Correct |
93 ms |
30324 KB |
Output is correct |
31 |
Correct |
1 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
324 KB |
Output is correct |
35 |
Correct |
1 ms |
320 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
328 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
96 ms |
33660 KB |
Output is correct |
42 |
Correct |
64 ms |
30340 KB |
Output is correct |
43 |
Correct |
38 ms |
30036 KB |
Output is correct |
44 |
Correct |
95 ms |
31560 KB |
Output is correct |
45 |
Correct |
113 ms |
33628 KB |
Output is correct |
46 |
Correct |
133 ms |
30680 KB |
Output is correct |
47 |
Correct |
58 ms |
30036 KB |
Output is correct |
48 |
Correct |
86 ms |
33528 KB |
Output is correct |
49 |
Correct |
99 ms |
33700 KB |
Output is correct |
50 |
Correct |
72 ms |
30284 KB |
Output is correct |
51 |
Runtime error |
113 ms |
262144 KB |
Execution killed with signal 9 |
52 |
Halted |
0 ms |
0 KB |
- |