TP-Thread

C语言笔记——用梯形法求定积分#include<stdio.h>#include<string.h>#include <stdlib.h>char *replace(char *src, char *sub, char *dst){int pos = 0;int offset = 0;int srcLen, subLen, dstLen;char *pRet = NULL;srcLen = strlen(src);subLen = strlen(su