Submission #672323

#	Time	Username	Problem	Language	Result	Execution time	Memory
672323		Trisanu_Das	Horses (IOI15_horses)	C++17	Compilation error	0 ms	0 KiB

horses

#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007
#define ll long long
 
int n;
int* x, y;
 
int solve(){
  ll pref = 1, hrspr = 1, last = 0, ans = 0;
  for(int i = 0; i < n; i++){
    hrspr *= x[i];
    pref = pref * x[i] % MOD;
    if((long double)y[i] * hrspr > last){
      ans = pref * y[i] % MOD; hrspr = 1; last = y[i];
    }
  }
  return ans;
}
 
int init(int N, int X[], int Y[]){
  n = N; x = X; y = Y; return solve();
}
 
int updateX(int pos, int val){
  x[pos] = val; solve();
}
int updateY(int pos, int val){
  y[pos] = val; solve();
}

Compilation message (stderr)

horses.cpp: In function 'int solve()':
horses.cpp:14:22: error: invalid types 'int[int]' for array subscript
   14 |     if((long double)y[i] * hrspr > last){
      |                      ^
horses.cpp:15:21: error: invalid types 'int[int]' for array subscript
   15 |       ans = pref * y[i] % MOD; hrspr = 1; last = y[i];
      |                     ^
horses.cpp:15:51: error: invalid types 'int[int]' for array subscript
   15 |       ans = pref * y[i] % MOD; hrspr = 1; last = y[i];
      |                                                   ^
horses.cpp:18:10: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   18 |   return ans;
      |          ^~~
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:22:21: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   22 |   n = N; x = X; y = Y; return solve();
      |                     ^
      |                     |
      |                     int*
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type]
   27 | }
      | ^
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:29:4: error: invalid types 'int[int]' for array subscript
   29 |   y[pos] = val; solve();
      |    ^
horses.cpp:30:1: warning: no return statement in function returning non-void [-Wreturn-type]
   30 | }
      | ^