Submission #234186

#	Time	Username	Problem	Language	Result	Execution time	Memory
234186		DanerZein	Horses (IOI15_horses)	C++14	0 / 100	19 ms	8448 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
#define mod 1000000007
using namespace std;
typedef unsigned long long ll;
int X1[1010],Y1[1010];
ll t,r=-1;
int init(int N, int X[], int Y[]) {
  t=N;
  //	return 0;
  ll ma=-1;
  ll nm=1;
  for(int i=0;i<N;i++){
    X1[i]=X[i];
    Y1[i]=Y[i];
    nm=(X[i])*(nm);
    ma=max(ma,(Y[i]*nm)%mod);
  }
  return r=max(ma,r);
}

int updateX(int pos, int val) {	
  X1[pos]=val;
  ll nm=1;
  ll ma=-1;
  for(int i=pos;i<t;i++){
    nm=(X1[i])*(nm);
    // nm%=mod;
    ma=max(ma,(Y1[i]*nm)%mod);
  }
  return r=max(ma,r);
}

int updateY(int pos, int val) {
  Y1[pos]=val;
  ll nm=1;
  ll ma=-1;
  for(int i=pos;i<t;i++){
    nm=(X1[i])*(nm);
    //nm%=mod;
    ma=max(ma,(Y1[i]*nm)%mod);
  }
  return r=max(ma,r);
}

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:19:11: warning: conversion to 'int' from 'll {aka long long unsigned int}' may alter its value [-Wconversion]
   return r=max(ma,r);
          ~^~~~~~~~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=pos;i<t;i++){
                 ~^~
horses.cpp:31:11: warning: conversion to 'int' from 'll {aka long long unsigned int}' may alter its value [-Wconversion]
   return r=max(ma,r);
          ~^~~~~~~~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:38:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=pos;i<t;i++){
                 ~^~
horses.cpp:43:11: warning: conversion to 'int' from 'll {aka long long unsigned int}' may alter its value [-Wconversion]
   return r=max(ma,r);
          ~^~~~~~~~~~

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