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Submission #252129

# Submission time Handle Problem Language Result Execution time Memory
252129 2020-07-24T09:40:50 Z khangal Strange Device (APIO19_strange_device) C++14
100 / 100
 2527 ms 183084 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef double db;
typedef vector<long long> vl;
typedef pair<long long , long long > pl;
const int N=1e6+1;
#define po pop_back
#define pb push_back
#define mk make_pair
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define boost ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18 
#define MIN -1e18
#define rep(i,a,b) for(ll i=a;i<=b;i++)
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
// typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll n,m,ans,mid,mn,mx,cnt,T,sum,h1,h2,e[1234567],b[1234567],c[1234567],d[1<<20],k,i,j,l,x,y,r,z,h,a[1234567],w,c1[1234][1234];
bool used[1234567],used1[1234567];
pl p[1234567];
string s,s1[1234567];
map<ll,ll> mp;
map<pl,ll> mpl;
vector<pl> vec,vec1,ansvec;
vector<ll> v[1234567],v1[1234567];
vector<ll> vp[1234567];
set<pl> st;
set<ll> stl,str;
stack <ll> sta;
int main(){
    ll A,B;
    cin>>n>>A>>B;
    ll L[1234567],R[1234567];
    rep(i,1,n){
        cin>>L[i]>>R[i];
        x+=R[i]-L[i]+1;
    }
    if(x<=1e6){
        rep(i,1,n){
            rep(j,L[i],R[i]){
                x = (j+j/B)%A;
                y = j%B;
                st.insert({x,y});
            }
        }
        cout<<st.size();
        return 0;
    }
    ll t = A/__gcd(A,(B+1))*B;
    rep(i,1,n){
        l=L[i];
        r=R[i];
        if(r - l + 1 >= t)
            return cout << t , 0;
        l %= t, r %= t;
        if(l > r){
            vec.pb({l , -1});
            vec.pb({t , 1});
            vec.pb({0 , -1});
            vec.pb({r + 1 , 1});
        }
        else{
            vec.pb({l, -1});
            vec.pb({r + 1, 1});
        }
    }
    sort(vec.begin() , vec.end());
    for(auto i : vec){
        if(i.ss == 1) {
            if(sta.size() == 1)
                ans += i.ff - sta.top();
            sta.pop();
        }
        else
            sta.push(i.ff);
    }
    cout<<ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 125944 KB Output is correct
2 Correct 146 ms 138108 KB Output is correct
3 Correct 182 ms 143864 KB Output is correct
4 Correct 112 ms 126584 KB Output is correct
5 Correct 104 ms 125944 KB Output is correct
6 Correct 95 ms 126072 KB Output is correct
7 Correct 70 ms 126200 KB Output is correct
8 Correct 69 ms 126072 KB Output is correct
9 Correct 75 ms 126840 KB Output is correct
10 Correct 70 ms 125944 KB Output is correct
11 Correct 65 ms 126004 KB Output is correct
12 Correct 65 ms 125944 KB Output is correct
13 Correct 66 ms 125944 KB Output is correct
14 Correct 63 ms 125944 KB Output is correct
15 Correct 106 ms 132728 KB Output is correct
16 Correct 117 ms 132600 KB Output is correct
17 Correct 298 ms 133864 KB Output is correct
18 Correct 67 ms 125944 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 125944 KB Output is correct
2 Correct 66 ms 125940 KB Output is correct
3 Correct 67 ms 125944 KB Output is correct
4 Correct 66 ms 125944 KB Output is correct
5 Correct 66 ms 125944 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 125944 KB Output is correct
2 Correct 201 ms 157932 KB Output is correct
3 Correct 294 ms 157688 KB Output is correct
4 Correct 199 ms 156280 KB Output is correct
5 Correct 1676 ms 181472 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 125964 KB Output is correct
2 Correct 2366 ms 174624 KB Output is correct
3 Correct 2365 ms 174712 KB Output is correct
4 Correct 2335 ms 174876 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 125964 KB Output is correct
2 Correct 2366 ms 174624 KB Output is correct
3 Correct 2365 ms 174712 KB Output is correct
4 Correct 2335 ms 174876 KB Output is correct
5 Correct 69 ms 125944 KB Output is correct
6 Correct 2355 ms 182764 KB Output is correct
7 Correct 2325 ms 182564 KB Output is correct
8 Correct 2338 ms 182844 KB Output is correct
9 Correct 2448 ms 182764 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 125964 KB Output is correct
2 Correct 2366 ms 174624 KB Output is correct
3 Correct 2365 ms 174712 KB Output is correct
4 Correct 2335 ms 174876 KB Output is correct
5 Correct 108 ms 125944 KB Output is correct
6 Correct 292 ms 131816 KB Output is correct
7 Correct 304 ms 135280 KB Output is correct
8 Correct 291 ms 135272 KB Output is correct
9 Correct 296 ms 135272 KB Output is correct
10 Correct 310 ms 135440 KB Output is correct
11 Correct 301 ms 135276 KB Output is correct
12 Correct 310 ms 135272 KB Output is correct
13 Correct 310 ms 135272 KB Output is correct
14 Correct 307 ms 135272 KB Output is correct
15 Correct 306 ms 135528 KB Output is correct
16 Correct 304 ms 135400 KB Output is correct
17 Correct 300 ms 135400 KB Output is correct
18 Correct 2325 ms 183084 KB Output is correct
19 Correct 2320 ms 182988 KB Output is correct
20 Correct 2443 ms 182868 KB Output is correct
21 Correct 309 ms 135272 KB Output is correct
22 Correct 293 ms 135272 KB Output is correct
23 Correct 803 ms 155944 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 125944 KB Output is correct
2 Correct 305 ms 131816 KB Output is correct
3 Correct 298 ms 131816 KB Output is correct
4 Correct 2460 ms 174708 KB Output is correct
5 Correct 301 ms 131816 KB Output is correct
6 Correct 312 ms 131816 KB Output is correct
7 Correct 304 ms 131816 KB Output is correct
8 Correct 312 ms 131816 KB Output is correct
9 Correct 299 ms 131816 KB Output is correct
10 Correct 299 ms 131816 KB Output is correct
11 Correct 303 ms 131948 KB Output is correct
12 Correct 291 ms 131816 KB Output is correct
13 Correct 298 ms 131776 KB Output is correct
14 Correct 2420 ms 174672 KB Output is correct
15 Correct 314 ms 131816 KB Output is correct
16 Correct 2317 ms 182808 KB Output is correct
17 Correct 2316 ms 182912 KB Output is correct
18 Correct 70 ms 125944 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 125944 KB Output is correct
2 Correct 146 ms 138108 KB Output is correct
3 Correct 182 ms 143864 KB Output is correct
4 Correct 112 ms 126584 KB Output is correct
5 Correct 104 ms 125944 KB Output is correct
6 Correct 95 ms 126072 KB Output is correct
7 Correct 70 ms 126200 KB Output is correct
8 Correct 69 ms 126072 KB Output is correct
9 Correct 75 ms 126840 KB Output is correct
10 Correct 70 ms 125944 KB Output is correct
11 Correct 65 ms 126004 KB Output is correct
12 Correct 65 ms 125944 KB Output is correct
13 Correct 66 ms 125944 KB Output is correct
14 Correct 63 ms 125944 KB Output is correct
15 Correct 106 ms 132728 KB Output is correct
16 Correct 117 ms 132600 KB Output is correct
17 Correct 298 ms 133864 KB Output is correct
18 Correct 67 ms 125944 KB Output is correct
19 Correct 70 ms 125944 KB Output is correct
20 Correct 66 ms 125940 KB Output is correct
21 Correct 67 ms 125944 KB Output is correct
22 Correct 66 ms 125944 KB Output is correct
23 Correct 66 ms 125944 KB Output is correct
24 Correct 69 ms 125944 KB Output is correct
25 Correct 201 ms 157932 KB Output is correct
26 Correct 294 ms 157688 KB Output is correct
27 Correct 199 ms 156280 KB Output is correct
28 Correct 1676 ms 181472 KB Output is correct
29 Correct 71 ms 125964 KB Output is correct
30 Correct 2366 ms 174624 KB Output is correct
31 Correct 2365 ms 174712 KB Output is correct
32 Correct 2335 ms 174876 KB Output is correct
33 Correct 69 ms 125944 KB Output is correct
34 Correct 2355 ms 182764 KB Output is correct
35 Correct 2325 ms 182564 KB Output is correct
36 Correct 2338 ms 182844 KB Output is correct
37 Correct 2448 ms 182764 KB Output is correct
38 Correct 108 ms 125944 KB Output is correct
39 Correct 292 ms 131816 KB Output is correct
40 Correct 304 ms 135280 KB Output is correct
41 Correct 291 ms 135272 KB Output is correct
42 Correct 296 ms 135272 KB Output is correct
43 Correct 310 ms 135440 KB Output is correct
44 Correct 301 ms 135276 KB Output is correct
45 Correct 310 ms 135272 KB Output is correct
46 Correct 310 ms 135272 KB Output is correct
47 Correct 307 ms 135272 KB Output is correct
48 Correct 306 ms 135528 KB Output is correct
49 Correct 304 ms 135400 KB Output is correct
50 Correct 300 ms 135400 KB Output is correct
51 Correct 2325 ms 183084 KB Output is correct
52 Correct 2320 ms 182988 KB Output is correct
53 Correct 2443 ms 182868 KB Output is correct
54 Correct 309 ms 135272 KB Output is correct
55 Correct 293 ms 135272 KB Output is correct
56 Correct 803 ms 155944 KB Output is correct
57 Correct 71 ms 125944 KB Output is correct
58 Correct 305 ms 131816 KB Output is correct
59 Correct 298 ms 131816 KB Output is correct
60 Correct 2460 ms 174708 KB Output is correct
61 Correct 301 ms 131816 KB Output is correct
62 Correct 312 ms 131816 KB Output is correct
63 Correct 304 ms 131816 KB Output is correct
64 Correct 312 ms 131816 KB Output is correct
65 Correct 299 ms 131816 KB Output is correct
66 Correct 299 ms 131816 KB Output is correct
67 Correct 303 ms 131948 KB Output is correct
68 Correct 291 ms 131816 KB Output is correct
69 Correct 298 ms 131776 KB Output is correct
70 Correct 2420 ms 174672 KB Output is correct
71 Correct 314 ms 131816 KB Output is correct
72 Correct 2317 ms 182808 KB Output is correct
73 Correct 2316 ms 182912 KB Output is correct
74 Correct 70 ms 125944 KB Output is correct
75 Correct 68 ms 125944 KB Output is correct
76 Correct 69 ms 126116 KB Output is correct
77 Correct 68 ms 125944 KB Output is correct
78 Correct 68 ms 125944 KB Output is correct
79 Correct 103 ms 127092 KB Output is correct
80 Correct 2438 ms 182116 KB Output is correct
81 Correct 2514 ms 182212 KB Output is correct
82 Correct 2527 ms 182284 KB Output is correct
83 Correct 2461 ms 182276 KB Output is correct
84 Correct 2423 ms 182064 KB Output is correct
85 Correct 2418 ms 182192 KB Output is correct
86 Correct 822 ms 155348 KB Output is correct
87 Correct 66 ms 125944 KB Output is correct