区别在于+'0'还是-'0'
char转int:-'0'
int main(){char c = '5';int n = c - '0';cout << n << endl;return 0;
}
int转char:+'0'
int main(){int n = 5;char c = n+'0';cout << c << endl;return 0;
}
区别在于+'0'还是-'0'
char转int:-'0'
int main(){char c = '5';int n = c - '0';cout << n << endl;return 0;
}
int转char:+'0'
int main(){int n = 5;char c = n+'0';cout << c << endl;return 0;
}
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