c语言学习总结

#include<stdio.h>

int main()
{
    printf("#include<stdio.h>\n\n");
    printf("int main()\n{\n");
    printf("    int x,y;\n");
    printf("    scanf(\"%%d%%d\",&x,&y);\n");
    printf("    printf(\"%%d\\n\",x+y);\n");
    printf("    return 0;\n}\n");
    return 0;
}

#include<stdio.h>

int main()
{
    int a,b;
    FILE *fp;
    scanf("%d%d",&a,&b);
    fp=fopen("t1.txt","w");
    fprintf(fp,"%d %d\n",a,b);
    fp=fopen("t1.txt","r");
    fscanf(fp,"%d%d",&a,&b);
    fp=fopen("t2.txt","w");
    fprintf(fp,"%d\n",a+b);
    fclose(fp);
    return 0;
}