Submission #861829

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
861829	2023-10-17T03:46:45 Z	keaucucal	Self Study (JOI22_ho_t2)	C++14	0 / 100	106 ms	2652 KB

Main

// 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;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	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	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	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	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	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	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	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	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	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	-