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Submission #976817

# Submission time Handle Problem Language Result Execution time Memory
976817 2024-05-07T07:00:46 Z AIF_is_carving Strange Device (APIO19_strange_device) C++17
100 / 100
 427 ms 60240 KB 
#include<bits/stdc++.h>
 
typedef long long ll;
using namespace std;

// vector<vector<ll>> overlappedInterval(vector<vector<ll>>& intervals) {
//     if (intervals.empty()) {
//         return vector<vector<ll>>();
//     }

//     // Sort intervals based on start values
//     sort(intervals.begin(), intervals.end(), [](const vector<ll>& a, const vector<ll>& b) {
//         return a[0] < b[0];
//     });

//     stack<vector<ll>> mergedStack;
//     mergedStack.push(intervals[0]);

//     for (int i = 1; i < intervals.size(); i++) {
//         vector<ll> current = intervals[i];
//         vector<ll>& top = mergedStack.top();

//         if (current[0] <= top[1]) {
//             // If current interval overlaps with the top of the stack, merge them
//             top[1] = max(top[1], current[1]);
//         } else {
//             // If no overlap, push the current interval onto the stack
//             mergedStack.push(current);
//         }
//     }

//     // Convert the stack to a vector
//     vector<vector<ll>> mergedIntervals;
//     while (!mergedStack.empty()) {
//         mergedIntervals.insert(mergedIntervals.begin(), mergedStack.top());
//         mergedStack.pop();
//     }

//     return mergedIntervals;
// }

struct Interval {
    ll s, e;
};

// Function used in sort
bool mycomp(Interval a, Interval b) { return a.s < b.s; }

void mergeIntervals(Interval arr[], ll n)
{
    // Sort Intervals in increasing order of
    // start time
    sort(arr, arr + n, mycomp);

    ll index = 0; // Stores index of last element
    // in output array (modified arr[])

    // Traverse all input Intervals
    for (ll i = 1; i < n; i++) {
        // If this is not first Interval and overlaps
        // with the previous one
        if (arr[index].e >= arr[i].s) {
            // Merge previous and current Intervals
            arr[index].e = max(arr[index].e, arr[i].e);
        }
        else {
            index++;
            arr[index] = arr[i];
        }
    }

    // Now arr[0..index-1] stores the merged Intervals
    //cout << "\n The Merged Intervals are: ";
    ll ans =0;
    for (ll i = 0; i <= index; i++) ans+= arr[i].e-arr[i].s+1;

        cout<<ans<<"\n";
        //cout << "[" << arr[i].s << ", " << arr[i].e << "] ";
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    set<pair<ll, ll>> s;
    ll n, A, B; cin>>n>>A>>B;

    ll period;
    ll X = A/(gcd(B+1, A));

    int powX=0, powB=0;
    ll xxx = X;
    while(xxx>0){
        xxx/=2;
        powX+=1;
    }
    xxx=B;
    while(xxx>0){
        xxx/=2;
        powB+=1;
    }

    if(powB+powX>61) period=4e18;
    else period = B*X;

    //cout<<period<<"\n";

    vector<pair<ll, ll>> v;

    for(int i=0; i<n; i++){
        ll x, y; cin>>x>>y;

        if(y-x<period){
            ll XX = x%period;
            ll YY = y%period;

            if(XX<=YY) v.push_back({XX,YY});
            else{
                v.push_back({XX, period-1});
                v.push_back({0, YY});
            }
                
        }
        else{
            v.push_back({0, period-1});
        }
    }

    Interval arr[int(v.size())];
    for(int i=0; i<int(v.size()); i++){
        arr[i].s = v[i].first;
        arr[i].e = v[i].second;
    }
    //for(auto p: v) cout<<p.first<<" "<<p.second<<"\n";

    // vector<vector<ll>> merged = overlappedInterval(v);
    // ll ans =0;
    // for(auto vv: merged){
    //     ans += vv[1]-vv[0]+1;
    // }

    // cout<<ans<<"\n";

    mergeIntervals(arr, int(v.size()));

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 4 ms 1248 KB Output is correct
3 Correct 5 ms 1244 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 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 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 1132 KB Output is correct
17 Correct 42 ms 6000 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 460 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 247 ms 44876 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 373 ms 50840 KB Output is correct
3 Correct 350 ms 50744 KB Output is correct
4 Correct 340 ms 50720 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 373 ms 50840 KB Output is correct
3 Correct 350 ms 50744 KB Output is correct
4 Correct 340 ms 50720 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 365 ms 50924 KB Output is correct
7 Correct 357 ms 50764 KB Output is correct
8 Correct 348 ms 50904 KB Output is correct
9 Correct 400 ms 51716 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 373 ms 50840 KB Output is correct
3 Correct 350 ms 50744 KB Output is correct
4 Correct 340 ms 50720 KB Output is correct
5 Correct 0 ms 600 KB Output is correct
6 Correct 34 ms 5836 KB Output is correct
7 Correct 47 ms 5836 KB Output is correct
8 Correct 38 ms 5836 KB Output is correct
9 Correct 38 ms 6016 KB Output is correct
10 Correct 34 ms 5832 KB Output is correct
11 Correct 36 ms 5828 KB Output is correct
12 Correct 33 ms 5992 KB Output is correct
13 Correct 44 ms 5784 KB Output is correct
14 Correct 33 ms 5836 KB Output is correct
15 Correct 41 ms 5888 KB Output is correct
16 Correct 38 ms 5832 KB Output is correct
17 Correct 35 ms 5828 KB Output is correct
18 Correct 370 ms 50800 KB Output is correct
19 Correct 345 ms 50832 KB Output is correct
20 Correct 405 ms 51316 KB Output is correct
21 Correct 42 ms 5832 KB Output is correct
22 Correct 33 ms 5760 KB Output is correct
23 Correct 103 ms 18104 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 42 ms 5776 KB Output is correct
3 Correct 39 ms 5824 KB Output is correct
4 Correct 417 ms 50856 KB Output is correct
5 Correct 42 ms 5988 KB Output is correct
6 Correct 39 ms 5784 KB Output is correct
7 Correct 39 ms 5832 KB Output is correct
8 Correct 40 ms 5832 KB Output is correct
9 Correct 39 ms 5832 KB Output is correct
10 Correct 42 ms 5944 KB Output is correct
11 Correct 43 ms 5868 KB Output is correct
12 Correct 32 ms 5788 KB Output is correct
13 Correct 44 ms 5840 KB Output is correct
14 Correct 405 ms 50756 KB Output is correct
15 Correct 40 ms 5836 KB Output is correct
16 Correct 359 ms 50632 KB Output is correct
17 Correct 345 ms 50640 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 4 ms 1248 KB Output is correct
3 Correct 5 ms 1244 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 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 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 1132 KB Output is correct
17 Correct 42 ms 6000 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 460 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 247 ms 44876 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 373 ms 50840 KB Output is correct
31 Correct 350 ms 50744 KB Output is correct
32 Correct 340 ms 50720 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 365 ms 50924 KB Output is correct
35 Correct 357 ms 50764 KB Output is correct
36 Correct 348 ms 50904 KB Output is correct
37 Correct 400 ms 51716 KB Output is correct
38 Correct 0 ms 600 KB Output is correct
39 Correct 34 ms 5836 KB Output is correct
40 Correct 47 ms 5836 KB Output is correct
41 Correct 38 ms 5836 KB Output is correct
42 Correct 38 ms 6016 KB Output is correct
43 Correct 34 ms 5832 KB Output is correct
44 Correct 36 ms 5828 KB Output is correct
45 Correct 33 ms 5992 KB Output is correct
46 Correct 44 ms 5784 KB Output is correct
47 Correct 33 ms 5836 KB Output is correct
48 Correct 41 ms 5888 KB Output is correct
49 Correct 38 ms 5832 KB Output is correct
50 Correct 35 ms 5828 KB Output is correct
51 Correct 370 ms 50800 KB Output is correct
52 Correct 345 ms 50832 KB Output is correct
53 Correct 405 ms 51316 KB Output is correct
54 Correct 42 ms 5832 KB Output is correct
55 Correct 33 ms 5760 KB Output is correct
56 Correct 103 ms 18104 KB Output is correct
57 Correct 1 ms 344 KB Output is correct
58 Correct 42 ms 5776 KB Output is correct
59 Correct 39 ms 5824 KB Output is correct
60 Correct 417 ms 50856 KB Output is correct
61 Correct 42 ms 5988 KB Output is correct
62 Correct 39 ms 5784 KB Output is correct
63 Correct 39 ms 5832 KB Output is correct
64 Correct 40 ms 5832 KB Output is correct
65 Correct 39 ms 5832 KB Output is correct
66 Correct 42 ms 5944 KB Output is correct
67 Correct 43 ms 5868 KB Output is correct
68 Correct 32 ms 5788 KB Output is correct
69 Correct 44 ms 5840 KB Output is correct
70 Correct 405 ms 50756 KB Output is correct
71 Correct 40 ms 5836 KB Output is correct
72 Correct 359 ms 50632 KB Output is correct
73 Correct 345 ms 50640 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 344 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 3 ms 1196 KB Output is correct
80 Correct 427 ms 59972 KB Output is correct
81 Correct 424 ms 59940 KB Output is correct
82 Correct 404 ms 60240 KB Output is correct
83 Correct 411 ms 59936 KB Output is correct
84 Correct 397 ms 59816 KB Output is correct
85 Correct 398 ms 59824 KB Output is correct
86 Correct 99 ms 22200 KB Output is correct
87 Correct 1 ms 348 KB Output is correct