#include <cstdio> const int M = 203000; int t[M]; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { int a; scanf("%d",&a); t[a]++; } int ret = -1; for(int i = 0; i < M-1; i++) { if (t[i]) ret = i; t[i+1] += t[i] / 2; } printf("%d\n", ret); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | #include <cstdio> const int M = 203000; int t[M]; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { int a; scanf("%d",&a); t[a]++; } int ret = -1; for(int i = 0; i < M-1; i++) { if (t[i]) ret = i; t[i+1] += t[i] / 2; } printf("%d\n", ret); return 0; } |