Submission #204777

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
204777	2020-02-27 05:55:34	TAISA_	Horses (IOI15_horses)	C++14	100 / 100	1101 ms	61048 KiB

horses

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#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using P=pair<int,int>;
int x[500000],y[500000];
int n;
const ll mod=1000000007LL;
struct segtree{
  int n;
  vector<ll> dat;
  void build(int n_){
    n=1;
    while(n<n_)n<<=1;
    dat.resize(2*n,1);
  }
  void upd(int k,ll s){
    k+=n;
    dat[k]=s%mod;
    k>>=1;
    while(k>0){
      dat[k]=dat[k<<1]*dat[k<<1|1]%mod;
      k>>=1;
    }
  }
  ll get(int a,int b,int k,int l,int r){
    if(b<=l||r<=a)return 1LL;
    if(a<=l&&r<=b)return dat[k]%mod;
    int m=(l+r)/2;
    return get(a,b,k<<1,l,m)*get(a,b,k<<1|1,m,r)%mod;
 
 
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Compilation message (stderr)

horses.cpp: In function 'll calc()':
horses.cpp:73:24: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
  return by*seg.get(0,id+1)%mod;
                      ~~^~
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:91:13: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
  return calc();
         ~~~~^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:94:28: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
  if(x[pos]==val)return calc();
                        ~~~~^~
horses.cpp:114:13: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
  return calc();
         ~~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:120:13: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
  return calc();
         ~~~~^~

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