#include <stdio.h> int n, a; int main(){ int i, j, ca=0; scanf ("%d", &n); for (i=0;i<n;i++) { scanf ("%d", &a); if (a==1) ca++; } if (ca==0) printf ("%d\n%d\n%d %d", 2, 2, 1, 2); if (ca==1) printf ("%d\n%d\n%d %d", 1, 2, 1, 2); if (ca>=2) printf ("%d\n%d\n%d %d", 0, 2, 1, 2); return 0;}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | #include <stdio.h> int n, a; int main(){ int i, j, ca=0; scanf ("%d", &n); for (i=0;i<n;i++) { scanf ("%d", &a); if (a==1) ca++; } if (ca==0) printf ("%d\n%d\n%d %d", 2, 2, 1, 2); if (ca==1) printf ("%d\n%d\n%d %d", 1, 2, 1, 2); if (ca>=2) printf ("%d\n%d\n%d %d", 0, 2, 1, 2); return 0;} |