#include <iostream> #include <algorithm> using namespace std; const int MAXN = 500000 + 7; int inputTab[MAXN]; int tab[MAXN]; bool check(int n, int x, int id) { long long sum = x; for(int i = 0; i < n; i++) { if(i == id) continue; if(sum <= (long long)tab[i]) return false; sum += (long long)tab[i]; } return true; } int binsearch(int l, int p, int n) { int sr; while(l < p) { sr = (l + p) / 2; if(check(n, tab[sr], sr)) p = sr; else l = sr + 1; } return p; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin>>n; for(int i = 0; i < n; i++) cin>>inputTab[i]; copy(inputTab, inputTab + n, tab); sort(tab, tab + n); int pivot = INT32_MAX; if(tab[0] != tab[n - 1]) pivot = tab[binsearch(0, n - 1, n)]; for(int i = 0; i < n; i++) { if(inputTab[i] >= pivot) cout<<'T'; else cout<<'N'; } cout<<'\n'; 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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | #include <iostream> #include <algorithm> using namespace std; const int MAXN = 500000 + 7; int inputTab[MAXN]; int tab[MAXN]; bool check(int n, int x, int id) { long long sum = x; for(int i = 0; i < n; i++) { if(i == id) continue; if(sum <= (long long)tab[i]) return false; sum += (long long)tab[i]; } return true; } int binsearch(int l, int p, int n) { int sr; while(l < p) { sr = (l + p) / 2; if(check(n, tab[sr], sr)) p = sr; else l = sr + 1; } return p; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin>>n; for(int i = 0; i < n; i++) cin>>inputTab[i]; copy(inputTab, inputTab + n, tab); sort(tab, tab + n); int pivot = INT32_MAX; if(tab[0] != tab[n - 1]) pivot = tab[binsearch(0, n - 1, n)]; for(int i = 0; i < n; i++) { if(inputTab[i] >= pivot) cout<<'T'; else cout<<'N'; } cout<<'\n'; return 0; } |