Why showing error in this if write function down

#1

#include
using namespace std;
int main() {
int n;
cin>>n;
if(increasingDecreasingSequence(n)){
cout<<“true”;
}
else{
cout<<“false”;
}
return 0;
}
bool increasingDecreasingSequence(int n){
int prev,curr;
cin>>prev;
bool incr=false,dec=false;
for(int i=1;i<n;i++)
{
cin>>curr;
if(prev<curr)
{
incr=true;
}
else if(prev>curr)
{
if(incr)return false;
dec=false;
}
else{
return false;
}
prev=curr;
}
return true;
}

#2

before using function in main, it should be declared before main
otherwise you have to declare prototype

for more details you can check out this

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#3

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#4

kindly give your feedback in all the posts

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#5

yeha thanku clear the doubt i posed another one please check it as well

#6

share the link, It is not visible to me

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#7

just posted please c
https://online.codingblocks.com/app/player/236423/content/229130/4792/code-challenge

#8

share the discuss link
i can’t open this link, it’s your course content link

#9

i got reply form another instructcorto reolve issue so thanku sir