Submission #252133

# Submission time Handle Problem Language Result Execution time Memory
252133 2020-07-24T09:47:09 Z khangal Strange Device (APIO19_strange_device) C++14
0 / 100
225 ms 165528 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];
    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;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:48:14: warning: 'L[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
         l=L[i];
           ~~~^
strange_device.cpp:49:14: warning: 'R[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
         r=R[i];
           ~~~^
strange_device.cpp:48:14: warning: '#'target_mem_ref' not supported by dump_expr#<expression error>' may be used uninitialized in this function [-Wmaybe-uninitialized]
         l=L[i];
           ~~~^
strange_device.cpp:49:14: warning: '#'target_mem_ref' not supported by dump_expr#<expression error>' may be used uninitialized in this function [-Wmaybe-uninitialized]
         r=R[i];
           ~~~^
# Verdict Execution time Memory Grader output
1 Correct 68 ms 125944 KB Output is correct
2 Incorrect 77 ms 126580 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 69 ms 126028 KB Output is correct
2 Incorrect 82 ms 126028 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 76 ms 125944 KB Output is correct
2 Incorrect 69 ms 126072 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 70 ms 125944 KB Output is correct
2 Incorrect 225 ms 165528 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 70 ms 125944 KB Output is correct
2 Incorrect 225 ms 165528 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 70 ms 125944 KB Output is correct
2 Incorrect 225 ms 165528 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 65 ms 125988 KB Output is correct
2 Incorrect 84 ms 130280 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 68 ms 125944 KB Output is correct
2 Incorrect 77 ms 126580 KB Output isn't correct
3 Halted 0 ms 0 KB -