#include <cstdio> using namespace std; const int N = 201718 + 40; int howMany[N + 1]; int main() { int n; scanf("%d", &n); for(int i = 0; i < n; ++i) { int a; scanf("%d", &a); ++howMany[a]; } int result = 0; for(int i = 1; i <= N; ++i) { howMany[i] += (howMany[i - 1] >> 1); if(howMany[i] != 0) result = i; } printf("%d", 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 | #include <cstdio> using namespace std; const int N = 201718 + 40; int howMany[N + 1]; int main() { int n; scanf("%d", &n); for(int i = 0; i < n; ++i) { int a; scanf("%d", &a); ++howMany[a]; } int result = 0; for(int i = 1; i <= N; ++i) { howMany[i] += (howMany[i - 1] >> 1); if(howMany[i] != 0) result = i; } printf("%d", result); return 0; } |