This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
const long long bignum=1e9+7;
struct year{int x,y;}a[500100];
int n,ok=1;
int cnt(){
long long ans=0,m=0,ho=1,tmp=1;
for (int i=0;i<n;i++){
ho=ho*a[i].x%bignum;
tmp=tmp*a[i].x;
double t=double(a[m].y)/double(a[i].y);
if (t<=tmp){
ans=ho*a[i].y%bignum;
m=i;tmp=1;
}
}
return ans;
}
int cnt2(){
long long ans=0,m=n-32,ho=1,tmp=1;
for (int i=0;i<n-32;i++)ho=ho*a[i].x%bignum;
for (int i=n-32;i<n;i++){
ho=ho*a[i].x%bignum;
tmp=tmp*a[i].x;
double t=double(a[m].y)/double(a[i].y);
if (t<=tmp){
ans=ho*a[i].y%bignum;
m=i;tmp=1;
}
}
return ans;
}
int init(int N, int X[], int Y[]){
n=N;
for (int i=0;i<n;i++){a[i].x=X[i];a[i].y=Y[i];if(a[i].x<2)ok=0;}
if (ok)return cnt2();
else return cnt();
}
int updateX(int pos, int val) {
a[pos].x=val;
if (val<2)ok=0;
if (ok)return cnt2();
else return cnt();
}
int updateY(int pos, int val) {
a[pos].y=val;
if (ok)return cnt2();
else return cnt();
}
Compilation message (stderr)
horses.cpp: In function 'int cnt()':
horses.cpp:13:16: warning: conversion to 'double' from 'long long int' may alter its value [-Wconversion]
if (t<=tmp){
^~~
horses.cpp:18:12: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return ans;
^~~
horses.cpp: In function 'int cnt2()':
horses.cpp:27:16: warning: conversion to 'double' from 'long long int' may alter its value [-Wconversion]
if (t<=tmp){
^~~
horses.cpp:32:12: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return ans;
^~~
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