cp/others/easy20160714/30.c

33 lines
468 B
C

#include <stdio.h>
int main()
{
FILE *f = fopen("INP.TXT", "r");
int n, m, l, r, t, b;
fscanf(f, "%d", &n);
fscanf(f, "%d", &m);
l = r = m;
fscanf(f, "%d", &m);
t = b = m;
for (n--; n; n--) {
fscanf(f, "%d", &m);
l = (m < l) ? m : l;
r = (m > r) ? m : r;
fscanf(f, "%d", &m);
t = (m < t) ? m : t;
b = (m > b) ? m : b;
}
fclose(f);
f = fopen("OUT.TXT", "w");
fprintf(f, "%d\n", (r - l > b - t) ? r - l : b - t);
fclose(f);
return 0;
}