题解 | #小乐乐与字符串#
小乐乐与字符串
https://www.nowcoder.com/practice/e09de1fc11db4a438cf8f0668848660d
#include<stdio.h>int main() { long c = 0; long ch = 0; long chn = 0; char arr[8000] = {0}; char* p = arr; gets(arr); while(*p) { if(*p == 'C') c++; else if(*p == 'H') ch = ch + c; else if(*p == 'N') chn = chn + ch; p++; } printf("%ld",chn); return 0; }