#include<bits/stdc++.h> using namespace std; bitset<1000009> dead; int main() { int n; scanf("%d",&n); for(int i=0;i<n;i++) { int tmp; scanf("%d",&tmp); while(dead[tmp]) dead[tmp++] = 0; dead[tmp] = 1; } for(int i=1000000;i>=0;i--) { if(dead[i]) { printf("%d\n",i); 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 | #include<bits/stdc++.h> using namespace std; bitset<1000009> dead; int main() { int n; scanf("%d",&n); for(int i=0;i<n;i++) { int tmp; scanf("%d",&tmp); while(dead[tmp]) dead[tmp++] = 0; dead[tmp] = 1; } for(int i=1000000;i>=0;i--) { if(dead[i]) { printf("%d\n",i); return 0; } } } |