Submission #1069565

#	Time	Username	Problem	Language	Result	Execution time	Memory
1069565		ezzzay	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	0 / 100	1 ms	348 KiB

skyscraper

#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define ff first
#define ss second
#define pb push_back
#define inf 1e17
const int N=2e6;
int cur[N],pw[N];
signed main(){
    int n,m;
    cin>>n>>m;
    vector<int>v;
    for(int i=0;i<m;i++){
        cin>>cur[i]>>pw[i];
        
    }
    if(n==2){
        if(abs(cur[0]-cur[1])%pw[0]){
            cout<<-1;
        }
        else{
            cout<<abs(cur[0]-cur[1])/pw[0];
        }
    }
    else{
        int s=INT_MAX;
        if(abs(cur[0]-cur[1])%pw[0]==0){
            s=abs(cur[0]-cur[1])/pw[0];
        }
        int k=0;
        bool u=0;
        if(abs(cur[0]-cur[2])%pw[0]){
            u=1;
        }
        else{
            k+=abs(cur[0]-cur[2])/pw[0];
            
        }
        
        if(abs(cur[2]-cur[1])%pw[2]){
            u=1;
        }
        else{
            k+=abs(cur[1]-cur[2])/pw[2];
        }
        if(u==0){
            s=min(s,k);
        }
        if(s==INT_MAX){
            cout<<-1;
        }
        else{
            cout<<s;
        }
    }
    
}
 

• Subtask 1: 0 / 10
• Subtask 2: 0 / 12
• Subtask 3: 0 / 14
• Subtask 4: 0 / 21
• Subtask 5: 0 / 43