#include <cstdio> using namespace std; const int MAXN = 1000005; int a[MAXN]; int n; int main() { scanf("%d", &n); for(int i=1; i<=n; i++) { int x; scanf("%d", &x); a[x]++; } int result = 0; for(int i=0; i<MAXN-1; i++) { if(a[i] > 0) result = i; int p = a[i]/2; a[i] -= p*2; a[i+1] += p; } printf("%d\n", result); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #include <cstdio> using namespace std; const int MAXN = 1000005; int a[MAXN]; int n; int main() { scanf("%d", &n); for(int i=1; i<=n; i++) { int x; scanf("%d", &x); a[x]++; } int result = 0; for(int i=0; i<MAXN-1; i++) { if(a[i] > 0) result = i; int p = a[i]/2; a[i] -= p*2; a[i+1] += p; } printf("%d\n", result); return 0; } |