Submission #620854

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
620854	2022-08-03 09:46:55	Hazem	Horses (IOI15_horses)	C++14	37 / 100	672 ms	56976 KiB

horses

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
#define LL long long
#define F first
#define S second
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;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

horses.cpp: In function 'long long int calc()':
horses.cpp:78:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   78 |  int last = n+1;
      |             ~^~
horses.cpp:86:29: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   86 |    vec.push_back({1,get(1,1,n,idx+1,last-1,0)});
      |                             ^
horses.cpp:91:27: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   91 |  pr = (last==1)?1:get(1,1,n,1,last-1,1);
      |                           ^
horses.cpp:94:28: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   94 |   vec.push_back({1,get(1,1,n,1,n,0)});
      |                            ^
horses.cpp:94:32: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   94 |   vec.push_back({1,get(1,1,n,1,n,0)});
      |                                ^
horses.cpp:98:17: 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]
   98 |  for(int i = 1;i<vec.size();i++){
      |                ~^~~~~~~~~~~
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:120:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  120 |   update(1,1,n,i,b[i],0);
      |              ^
horses.cpp:120:21: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  120 |   update(1,1,n,i,b[i],0);
      |                  ~~~^
horses.cpp:121:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  121 |   update(1,1,n,i,a[i],1);
      |              ^
horses.cpp:121:21: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  121 |   update(1,1,n,i,a[i],1);
      |                  ~~~^
horses.cpp:127:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  127 |  return calc();
      |         ~~~~^~
horses.cpp: In function 'int updateX(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,val,1);
      |             ^
horses.cpp:140:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  140 |  return calc();
      |         ~~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:146:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  146 |  update(1,1,n,pos+1,b[pos+1],0);
      |             ^
horses.cpp:146:28: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  146 |  update(1,1,n,pos+1,b[pos+1],0);
      |                     ~~~~~~~^
horses.cpp:148:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  148 |  return calc();
      |         ~~~~^~

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