#include <iostream>
#include <cmath>
#include <string.h>
using namespace std;
int main(){
double luythua,giatriluythua;
cin >>luythua;
giatriluythua = pow(1378,luythua);
string so = to_string(giatriluythua);
string chusocuoi = so[1];
cout <<chusocuoi;
return 0;
}
Why does it say that: error: conversion from ‘char’ to non-scalar type ‘std::string {aka std::basic_string}’ requested?
I am trying to print the last number of a number after powering it.