字元陣列的最大值和次大值
阿新 • • 發佈:2019-01-25
輸入一個字元陣列,輸出其最大值和次大值
#include<stdio.h> #include<stdlib.h> #include<string.h> #define maxsize 100 void big(char *arr[],int size,char *big1,char *big2) { int i; for(i=0;i<size;i++) { if(strcmp(big1,arr[i])<=0) { strcpy(big2,big1); strcpy(big1,arr[i]); }else{ if(strcmp(big2,arr[i])<=0) strcpy(big2,arr[i]); } } } int main() { int i,size; char *arr[maxsize]; char *big1=NULL,*big2=NULL; big1=(char*)malloc(sizeof(char)*maxsize); big2=(char*)malloc(sizeof(char)*maxsize); big1[0]='\0'; big2[0]='\0'; printf("size="); scanf("%d",&size); for(i=0;i<size;i++) { arr[i]=(char*)malloc(sizeof(char)*maxsize); fflush(stdin); gets(arr[i]); } big(arr,size,big1,big2); printf("the biggest str is:%s\n",big1); printf("the second biggest str is:%s\n",big2); free(big1); free(big2); for(i=0;i<size;i++) free(arr[i]); system("pause"); return 0; }