// oj.uz SELF STUDY (JOI22_HO_T2)
#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
using namespace std;
using ll = long long;
const ll MAX_NUM = 1e9 * 1e9; // Ai or Bi * M
int N, M;
vector<pair<int, int>> vec;
bool ifFail(const ll passline, ll t) {
ll comprehension = 0;
int cnt_course = 0;
int cnt = M;
while(t--) {
if(cnt_course >= passline) break;
if(comprehension < passline) {
if(vec[cnt_course].first > vec[cnt_course].second && cnt > 0) {
comprehension += vec[cnt_course].first;
cnt--;
} else comprehension += vec[cnt_course].second;
if(comprehension >= passline) {
// cout << comprehension << '\n';
cnt_course++;
comprehension = 0;
cnt = M;
}
}
}
// cout << passline << ' ' << cnt_course << '\n';
return cnt_course < N;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> N >> M;
int t = N * M;
vec.resize(N);
for(auto &i : vec) cin >> i.first;
for(auto &i : vec) cin >> i.second;
ll l = 1, r = MAX_NUM;
while(l < r) {
ll mid = (l + r) / 2 + 1;
if(ifFail(mid, t)) {
r = mid - 1;
}
else {
l = mid;
}
}
cout << l << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
106 ms |
2652 KB |
Output is correct |
12 |
Correct |
102 ms |
2648 KB |
Output is correct |
13 |
Correct |
57 ms |
2648 KB |
Output is correct |
14 |
Correct |
58 ms |
2648 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
43 ms |
2652 KB |
Output is correct |
17 |
Correct |
75 ms |
2652 KB |
Output is correct |
18 |
Incorrect |
62 ms |
2652 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
43 ms |
2652 KB |
Output is correct |
3 |
Correct |
75 ms |
2652 KB |
Output is correct |
4 |
Incorrect |
62 ms |
2652 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
106 ms |
2652 KB |
Output is correct |
12 |
Correct |
102 ms |
2648 KB |
Output is correct |
13 |
Correct |
57 ms |
2648 KB |
Output is correct |
14 |
Correct |
58 ms |
2648 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
43 ms |
2652 KB |
Output is correct |
17 |
Correct |
75 ms |
2652 KB |
Output is correct |
18 |
Incorrect |
62 ms |
2652 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
43 ms |
2652 KB |
Output is correct |
3 |
Correct |
75 ms |
2652 KB |
Output is correct |
4 |
Incorrect |
62 ms |
2652 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
106 ms |
2652 KB |
Output is correct |
12 |
Correct |
102 ms |
2648 KB |
Output is correct |
13 |
Correct |
57 ms |
2648 KB |
Output is correct |
14 |
Correct |
58 ms |
2648 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
43 ms |
2652 KB |
Output is correct |
17 |
Correct |
75 ms |
2652 KB |
Output is correct |
18 |
Incorrect |
62 ms |
2652 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |