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Self explanatory
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#include <string> | |
#include <fstream> | |
#include <streambuf> | |
#include <ctime> | |
#include <iomanip> | |
#include <cmath> | |
#include <iostream> | |
int displayA(int n, int w) { | |
if (n == 0) return 0; | |
int l = 1 + displayA(n/10, w); | |
int d = n%10; | |
std::cout << std::setw(w) << std::right << std::string(l, 'A' + d - 1) << '\n'; | |
return l; | |
} | |
int len(int n) { | |
return std::log(n)/std::log(10) + 1; | |
} | |
// wrong output | |
int displayB(int x) { | |
int w = len(x); | |
for (int i=1; x != 0; i++) { | |
std::cout << std::setw(w) << std::right << std::string(i, 'A' + x % 10 - 1) << '\n'; | |
x /= 10; | |
} | |
return w; | |
} | |
int displayC(int x) { | |
std::string str = std::to_string(x); | |
int n = str.size(); | |
for (int i=0; i<n; i++) { | |
std::cout << std::setw(n) << std::right << std::string(i + 1, 'A' + str[i] - 1 - '0') << '\n'; | |
} | |
return n; | |
} | |
int displayD(int x) { | |
int w = len(x); | |
int y = std::pow(10, w - 1); | |
for (int i=1; y != 0; i++) { | |
std::cout << std::setw(w) << std::string(i, 'A' + (x / y) % 10 - 1) << '\n'; | |
y /= 10; | |
} | |
return w; | |
} | |
int main() | |
{ | |
int x = displayD(31412); | |
std::cout << x; | |
} |
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