oj.uz

Submission #472076

# Submission time Handle Problem Language Result Execution time Memory
472076 2021-09-12T19:09:36 Z julian33 Strange Device (APIO19_strange_device) C++14
0 / 100
 5000 ms 524292 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
    cerr<<vars<<" = ";
    string delim="";
    (...,(cerr<<delim<<values,delim=", "));
    cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif

#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);} 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int mxN=2e5+5; //make sure this is right
const int mod=1e9+7;

ll gcd(ll a,ll b){return b==0?a:gcd(b,a%b);}

int main(){
    cin.sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    #ifdef LOCAL
        freopen("input.txt","r",stdin);
        freopen("output.txt","w",stdout);
    #endif

    int n; cin>>n;
    ll a,b; cin>>a>>b;
    set<pll> seen;
    if(n==1){
        ll l,r; cin>>l>>r;
        cout<<min(r-l+1,a*b/gcd(a,b))<<"\n";
    } else{
        for(int i=0;i<n;i++){
            ll l,r; cin>>l>>r;
            for(ll j=l;j<=r;j++){
                seen.insert({(j%a+(j/b)%a)%a,j%b});
            }
        }
        cout<<sz(seen)<<"\n";
    }
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 53 ms 12268 KB Output is correct
3 Correct 83 ms 17924 KB Output is correct
4 Correct 2 ms 844 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 9 ms 1096 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 48 ms 6980 KB Output is correct
16 Correct 34 ms 6664 KB Output is correct
17 Correct 65 ms 6536 KB Output is correct
18 Incorrect 0 ms 204 KB Output isn't correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 154 ms 32336 KB Output is correct
3 Correct 194 ms 32048 KB Output is correct
4 Correct 137 ms 30508 KB Output is correct
5 Execution timed out 5033 ms 62604 KB Time limit exceeded

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 628 ms 62872 KB Output is correct
3 Runtime error 2288 ms 524292 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 628 ms 62872 KB Output is correct
3 Runtime error 2288 ms 524292 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 628 ms 62872 KB Output is correct
3 Runtime error 2288 ms 524292 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Runtime error 1832 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 53 ms 12268 KB Output is correct
3 Correct 83 ms 17924 KB Output is correct
4 Correct 2 ms 844 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 9 ms 1096 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 48 ms 6980 KB Output is correct
16 Correct 34 ms 6664 KB Output is correct
17 Correct 65 ms 6536 KB Output is correct
18 Incorrect 0 ms 204 KB Output isn't correct