Accepted
/in/foo.c: In function 'main':
/in/foo.c:21:19: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
int len = strlen(p);
^~~~~~
/in/foo.c:21:19: warning: incompatible implicit declaration of built-in function 'strlen'
/in/foo.c:21:19: note: include '<string.h>' or provide a declaration of 'strlen'
代码
#include <stdio.h>
int x2i(char c)
{
if (c >= 'A')
return c - 55;
else
return c - 48;
}
int main()
{
int i, j, n;
char a[10][100001];
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%s", a[i]);
for (i = 0; i < n; i++)
{
char* p = a[i];
int len = strlen(p);
if (len % 3 == 1)
{
printf("%o", x2i(p[0]));
j = 1;
}
else if (len % 3 == 2)
{
printf("%o", x2i(p[0])*16+x2i(p[1]));
j = 2;
}
else
{
printf("%o", x2i(p[0])*256+x2i(p[1])*16+x2i(p[2]));
j = 3;
}
for (; j < len; j += 3)
printf("%04o", x2i(p[j])*256+x2i(p[j+1])*16+x2i(p[j+2]));
printf("\n");
}
return 0;
}
