답안 #934560

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
934560	2024-02-27T15:03:10 Z	Rifal	이상한 기계 (APIO19_strange_device)	C++14	65 / 100	565 ms	77228 KB

strange_device

#include <bits/stdc++.h>
#include <fstream>
#define endl '\n'
#define mod 1000000007
#define INF 1000000000000000000
#define INF2 1000000000000000000
//#define ll long long
///#define cin fin
///#define cout fout
using namespace std;
double const EPS = 1e-14;
///ofstream fout("herding.out");
///ifstream fin("herding.in");

int main()
{
    ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
    long long n, a, b; cin >> n >> a >> b;
    pair<long long, long long> p[n];
    vector<pair<long long,long long>> v;
    long long md;
    if(a > INF/b) md = (INF + 1);
    else md = (a*b)/__gcd(a,b+1);
   // cout << n << ' ' << a << ' ' << b <<  endl;
   // cout << md << endl;
    bool ok = false;
    for(long long i = 0; i < n; i++) {
        cin >> p[i].first >> p[i].second;
        //cout << i << endl;
        pair<long long, long long> pp;
        pp = p[i];
        p[i].first %= md;
        p[i].second %= md;
        if(p[i].second < p[i].first) {
            if(pp.second-pp.first+1ll >= md) {
                cout << md << endl;
                ok = true;
            }
            v.push_back({p[i].first,0});
            v.push_back({md-1ll,1});
            v.push_back({0,0});
            v.push_back({p[i].second,1});
        }
        else {
            v.push_back({p[i].first,0});
            v.push_back({p[i].second,1});
        }
    }
    if(ok) return 0;
    sort(v.begin(),v.end()); long long cnt = 0;
    long long l = -1, r = 0; 
    long long ans = 0;
    for(int i = 0; i < v.size(); i++) {
        if(v[i].second == 0) {
            cnt++;
            if(l == -1) l = v[i].first;
        }
        else {
            cnt--;
            r = max(v[i].first,r);
        }
        if(cnt == 0) {
            ans += r-l+1ll;
            l = -1, r = 0;
        }
    }
    cout << ans << endl;
    return 0;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:53:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for(int i = 0; i < v.size(); i++) {
      |                    ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	4 ms	1504 KB	Output is correct
3	Correct	4 ms	1504 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	500 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	4 ms	1504 KB	Output is correct
17	Correct	44 ms	8908 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
0 / 5.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #3
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	272 ms	68344 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	388 ms	75912 KB	Output is correct
3	Correct	404 ms	75772 KB	Output is correct
4	Correct	365 ms	75944 KB	Output is correct

Subtask #5
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	388 ms	75912 KB	Output is correct
3	Correct	404 ms	75772 KB	Output is correct
4	Correct	365 ms	75944 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	392 ms	76192 KB	Output is correct
7	Correct	395 ms	77016 KB	Output is correct
8	Correct	383 ms	76200 KB	Output is correct
9	Correct	437 ms	75724 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	388 ms	75912 KB	Output is correct
3	Correct	404 ms	75772 KB	Output is correct
4	Correct	365 ms	75944 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	43 ms	9420 KB	Output is correct
7	Correct	41 ms	10452 KB	Output is correct
8	Correct	37 ms	9684 KB	Output is correct
9	Correct	41 ms	10564 KB	Output is correct
10	Correct	38 ms	8900 KB	Output is correct
11	Correct	40 ms	10196 KB	Output is correct
12	Correct	36 ms	9168 KB	Output is correct
13	Correct	44 ms	8856 KB	Output is correct
14	Correct	39 ms	10708 KB	Output is correct
15	Correct	42 ms	9940 KB	Output is correct
16	Correct	41 ms	9280 KB	Output is correct
17	Correct	44 ms	8916 KB	Output is correct
18	Correct	398 ms	76448 KB	Output is correct
19	Correct	380 ms	75992 KB	Output is correct
20	Correct	478 ms	67588 KB	Output is correct
21	Correct	43 ms	8732 KB	Output is correct
22	Correct	33 ms	8392 KB	Output is correct
23	Correct	104 ms	30644 KB	Output is correct

Subtask #7
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	10196 KB	Output is correct
3	Correct	40 ms	9160 KB	Output is correct
4	Correct	565 ms	75572 KB	Output is correct
5	Correct	42 ms	9364 KB	Output is correct
6	Correct	43 ms	9020 KB	Output is correct
7	Correct	41 ms	9760 KB	Output is correct
8	Correct	43 ms	9956 KB	Output is correct
9	Correct	41 ms	9632 KB	Output is correct
10	Correct	43 ms	9656 KB	Output is correct
11	Correct	41 ms	10448 KB	Output is correct
12	Correct	37 ms	10444 KB	Output is correct
13	Correct	43 ms	9724 KB	Output is correct
14	Correct	437 ms	77228 KB	Output is correct
15	Correct	44 ms	8896 KB	Output is correct
16	Correct	380 ms	75936 KB	Output is correct
17	Correct	389 ms	77044 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct

Subtask #8
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	4 ms	1504 KB	Output is correct
3	Correct	4 ms	1504 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	500 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	4 ms	1504 KB	Output is correct
17	Correct	44 ms	8908 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Incorrect	0 ms	348 KB	Output isn't correct
21	Halted	0 ms	0 KB	-