char * convertToTitle(int columnNumber){ int length = 10, i=length-1, x = columnNumber; char* res=(char*)malloc(sizeof(char)*length); while (x!=0) { x -= 1; res[i-1] = (char)(x % 26 + ‘A‘); x /= 26; i--; } res[length-1]=‘\0‘; return res+i; }
每日LeetCode - 168. Excel表列名称（C语言）
原文：https://www.cnblogs.com/vicky2021/p/14916040.html