Submission #1004524

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004524		vjudge1	Horses (IOI15_horses)	C++17	17 / 100	1517 ms	8028 KiB

horses

#include <bits/stdc++.h>
using namespace std;
#define ll long long 
#define f first
#define s second
#define pb push_back
#define pf push_front
#define pi pair<int,int>
#define vi vector<int>

int n ;
vi x, y;

const int mod = 1e9+7;

ll init(int N, int X[], int Y[]){
    n = N;
    x.resize(N);
    y.resize(N);
    for(int i =0; i < n; i++){
        x[i] = X[i];
        y[i] = Y[i];
    }
    
    ll final = 0;
    
  
    ll have = 1;
    ll cnt = 0, left = 0, prev =1;
    ll ccnt = 0, cleft= 0, cl=0;
    
   for(int i = 1; i <= n; i++){
         cl = 0;
         have = ((have* x[i-1]));
         //cout << have << "  " << ccnt <<" " << cl <<endl;
        while(have>=mod){
            ccnt++;
            have %=mod;
        }
        while(y[i-1]>=mod){
            cl++;
            y[i-1]%=mod;
        }
        ll hold = have*y[i-1];
    
        while(hold >=mod){
            hold%=mod;
            ccnt++;
        }
    
        if(ccnt*cl> cnt){
            cnt = ccnt*cl;
            left = hold;
        }
        else if((ccnt*cl)==cnt && hold> left){
            cnt = ccnt*cl;
            left = hold;
        }
      
        
         
   }
   return left;

}


ll updateX(int pos, int val){
    
    x[pos]=val;
    
    ll final = 0;
    
  
    ll have = 1;
    ll cnt = 0, left = 0, prev =1;
    ll ccnt = 0, cleft= 0, cl=0;
    
   for(int i = 1; i <= n; i++){
         cl = 0;
         have = ((have* x[i-1]));
        
        while(have>=mod){
            ccnt++;
            have %=mod;
        }
        while(y[i-1]>=mod){
            cl++;
            y[i-1]%=mod;
        }
        ll hold = have*y[i-1];
       while(hold >=mod){
            hold%=mod;
            ccnt++;
        }
    
        if(ccnt*cl> cnt){
            cnt = ccnt*cl;
            left = hold;
        }
        else if(ccnt*cl==cnt && hold> left){
            cnt = ccnt*cl;
            left = hold;
        }
   }
   return left;
}

ll updateY(int pos, int val){
     y[pos]=val;
  
   
    
  
    ll final = 0;
    
  
    ll have = 1;
    ll cnt = 0, left = 0, prev =1;
    ll ccnt = 0, cleft= 0, cl=0;
    
   for(int i = 1; i <= n; i++){
         cl = 0;
         have = ((have* x[i-1]));
         //cotu << have << endl;
        while(have>=mod){
            ccnt++;
            have %=mod;
        }
        while(y[i-1]>=mod){
            cl++;
            y[i-1]%=mod;
        }
        ll hold = have*y[i-1];
        while(hold >=mod){
            hold%=mod;
            ccnt++;
        }
    
        if(ccnt*cl> cnt){
            cnt = ccnt*cl;
            left = hold;
        }
        else if(ccnt*cl==cnt && hold> left){
            cnt = ccnt*cl;
            left = hold;
        }
      
        
         
   }
   return left;
}

Compilation message (stderr)

horses.cpp: In function 'long long int init(int, int*, int*)':
horses.cpp:25:8: warning: unused variable 'final' [-Wunused-variable]
   25 |     ll final = 0;
      |        ^~~~~
horses.cpp:29:27: warning: unused variable 'prev' [-Wunused-variable]
   29 |     ll cnt = 0, left = 0, prev =1;
      |                           ^~~~
horses.cpp:30:18: warning: unused variable 'cleft' [-Wunused-variable]
   30 |     ll ccnt = 0, cleft= 0, cl=0;
      |                  ^~~~~
horses.cpp: In function 'long long int updateX(int, int)':
horses.cpp:72:8: warning: unused variable 'final' [-Wunused-variable]
   72 |     ll final = 0;
      |        ^~~~~
horses.cpp:76:27: warning: unused variable 'prev' [-Wunused-variable]
   76 |     ll cnt = 0, left = 0, prev =1;
      |                           ^~~~
horses.cpp:77:18: warning: unused variable 'cleft' [-Wunused-variable]
   77 |     ll ccnt = 0, cleft= 0, cl=0;
      |                  ^~~~~
horses.cpp: In function 'long long int updateY(int, int)':
horses.cpp:115:8: warning: unused variable 'final' [-Wunused-variable]
  115 |     ll final = 0;
      |        ^~~~~
horses.cpp:119:27: warning: unused variable 'prev' [-Wunused-variable]
  119 |     ll cnt = 0, left = 0, prev =1;
      |                           ^~~~
horses.cpp:120:18: warning: unused variable 'cleft' [-Wunused-variable]
  120 |     ll ccnt = 0, cleft= 0, cl=0;
      |                  ^~~~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 23
• Subtask 5: 0 / 23