#include <stdio.h>
void f877(const char *p) {
int r = 0, c = 0;
for (; *p; p++)
if (*p == '\n') r++, c = 0;
else printf("[%c, %d, %d]\n", *p
, c
++, r
); }
int main() {
f877("a b c\n\nd");
return 0;
}
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