Submission #620828

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
620828	2022-08-03 09:32:53	Hazem	Horses (IOI15_horses)	C++14	0 / 100	296 ms	44740 KiB

horses

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#include <bits/stdc++.h>
#define LL long long
using namespace std;
const int M = 5e5+10;
const int MOD = 1e9+7;
LL add(LL a,LL b){
  return (a+b)%MOD;
}
LL mult(LL a,LL b){
  return (a*b)%MOD;
}
LL fastpow(LL n,LL k){
  LL ret = 1;
  while(k){
    if(k&1)ret = mult(ret,n);
    k /= 2;
    n = mult(n,n);
  }
  return ret;
}
LL divide(LL a,LL b){
 
 
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Compilation message (stderr)

horses.cpp: In function 'long long int calc()':
horses.cpp:70:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   70 |  int last = n+1;
      |             ~^~
horses.cpp:78:29: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   78 |    vec.push_back({1,get(1,1,n,idx+1,last-1)});
      |                             ^
horses.cpp:86:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |  for(int i = 1;i<vec.size();i++){
      |                ~^~~~~~~~~~~
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:112:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  112 |   update(1,1,n,i,b[i]);
      |              ^
horses.cpp:112:21: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  112 |   update(1,1,n,i,b[i]);
      |                  ~~~^
horses.cpp:118:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  118 |  return calc();
      |         ~~~~^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:130:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  130 |  return calc();
      |         ~~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:136:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  136 |  update(1,1,n,pos+1,b[pos+1]);
      |             ^
horses.cpp:136:28: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  136 |  update(1,1,n,pos+1,b[pos+1]);
      |                     ~~~~~~~^
horses.cpp:138:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  138 |  return calc();
      |         ~~~~^~

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