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#include<stdio.h> int main(){ int a[5]={1,2,3,4,5}; int i=0; for(i=0;i<=5;i++){ printf("%d\n",a[i]); if(i==4){ printf(","); } } putchar("\n"); }
#include<stdio.h> int main(){ int arry[3][4]={{1,2,3,4},{5,6,7,8},{0,0,0,9}}; int i,j=0; for(i=0;i<3;i++){ for(j=0;j<4;j++){ printf("arry[%p][%p]=%p",j,j,arry[i][j]); } printf("\n"); } }
#include<stdio.h> int main(){ /*int i=0; int a[10]={'H','e','l','l','o'}; printf("%ld\n",sizeof(a)); char b[10]="hello"; memset(b,'a',10); //覆盖字符函数 for(i=0;i<10;i++){ printf("%c\n",b[i]); } int length=strlen(b); //字符长度函数 printf("length=%d\n",length); */ char x[]="123"; char y[]="12"; char z[20]=""; int diff=strcmp(x,y); //字符比较函数 printf("%d\n",diff); //strcpy(z,y); //字符复制函数 //printf("z=%s\n",z); strncpy(z,x,1); printf("z=%s\n",z); //字符复制函数升级版 strcat(x,y); //字符拼接函数 printf("x=%s\n",x); /* if(diff>=0){ printf("x>y"); }else if(diff<0){ printf("x<y"); }else{ printf("x=y"); } */ }
#include<stdio.h> int funX(int a,int b){ return a+b; } int main(){ funX(1,2); }
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