1. You can directly use the character '0' minus the number to convert.
Examples are as follows:
#include
int main()
{ char c='0'; int num=0; num = int(c- '0 '); } 2. Use the function atoi to convert characters to numbers. #include int main() { char c='0'; int num =aroi©; return 0; }
C language converts characters into numbers
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Origin blog.csdn.net/m0_53052839/article/details/111184183
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