#include <iostream> #include <cstdio> using namespace std; int main() { int counts[203000]; for (int i = 0; i<203000; i++) counts[i] = 0; int n; scanf("%d", &n); for (int i = 0; i<n; i++) { int a; scanf("%d", &a); counts[a]++; } for (int i = 0; i<202999; i++) { counts[i + 1] += counts[i] / 2; counts[i] = counts[i] % 2; } int maxA = 0; for (int i = 0; i<202999; i++) { if (counts[i] == 1) { maxA = i; } } cout << maxA; 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 31 32 33 34 35 36 | #include <iostream> #include <cstdio> using namespace std; int main() { int counts[203000]; for (int i = 0; i<203000; i++) counts[i] = 0; int n; scanf("%d", &n); for (int i = 0; i<n; i++) { int a; scanf("%d", &a); counts[a]++; } for (int i = 0; i<202999; i++) { counts[i + 1] += counts[i] / 2; counts[i] = counts[i] % 2; } int maxA = 0; for (int i = 0; i<202999; i++) { if (counts[i] == 1) { maxA = i; } } cout << maxA; return 0; } |