填空题,直接做就可以,其中为了方便起见,字符串从1开始,第0位用+填充
#includeusing namespace std; string c = "+ABCDEFGHIJKLMNOPQRSTUVWXYZ"; int res[5]; int main() { int i = 0; int y = 2019; int t; while(y > 0) { t = y % 26; y /= 26; res[i++] = t; } i = i - 1; for(i; i >= 0; i--) { cout << c[res[i]]; } return 0; }



