#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native") #pragma GCC target("sse,sse2,sse3,mmx,abm,tune=native") typedef long long lld; typedef double lf; typedef long double llf; typedef pair<int,int> pii; typedef pair<lld,lld> pll; #define For(i,s,a) for(int i = (int)s; i < (int)a; ++i) #define rpt(s, it) for(auto it = s.begin(); it != s.end(); ++it) #define brpt(s, it) for(auto it = s.rend(); it != s.rbegin(); --it) #define sz size() #define pb push_back #define eb emplace_back #define ff first #define dd second #define mp make_pair #define all(x) (x).begin(), (x).end() #define make_unique(x) (x).erase( unique(all(x)), (x).end()) #define popcnt(x) __builtin_popcount(x) //using namespace std::chrono; //#define time_since duration_cast<nanoseconds>(system_clock::now().time_since_epoch()) template<typename Ta, typename Tb> ostream & operator <<(ostream & os, pair<Ta, Tb> x){ return os << x.ff << " " << x.dd; } const int N = 5e5 + 1; pii c[N]; char ans[N]; bool ok(int x, int n) { lld s = c[x].ff; For(i, 0, n) { if(i == x) continue; if(s <= c[i].ff) return false; s += c[i].ff; } return true; } int32_t main() { int n; scanf("%d", &n); For(i, 0, n) scanf("%d", &c[i].ff), c[i].dd = i; sort(c, c + n); int p = 0, k = n - 1, mid = 0; while(p <= k) { mid = (p + k) >> 1; if(ok(mid, n)) k = mid - 1; else p = ++mid; } For(i, 0, n) ans[i] = 'T'; For(i, 0, mid) ans[c[i].dd] = 'N'; printf("%s\n", ans); }
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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | #include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native") #pragma GCC target("sse,sse2,sse3,mmx,abm,tune=native") typedef long long lld; typedef double lf; typedef long double llf; typedef pair<int,int> pii; typedef pair<lld,lld> pll; #define For(i,s,a) for(int i = (int)s; i < (int)a; ++i) #define rpt(s, it) for(auto it = s.begin(); it != s.end(); ++it) #define brpt(s, it) for(auto it = s.rend(); it != s.rbegin(); --it) #define sz size() #define pb push_back #define eb emplace_back #define ff first #define dd second #define mp make_pair #define all(x) (x).begin(), (x).end() #define make_unique(x) (x).erase( unique(all(x)), (x).end()) #define popcnt(x) __builtin_popcount(x) //using namespace std::chrono; //#define time_since duration_cast<nanoseconds>(system_clock::now().time_since_epoch()) template<typename Ta, typename Tb> ostream & operator <<(ostream & os, pair<Ta, Tb> x){ return os << x.ff << " " << x.dd; } const int N = 5e5 + 1; pii c[N]; char ans[N]; bool ok(int x, int n) { lld s = c[x].ff; For(i, 0, n) { if(i == x) continue; if(s <= c[i].ff) return false; s += c[i].ff; } return true; } int32_t main() { int n; scanf("%d", &n); For(i, 0, n) scanf("%d", &c[i].ff), c[i].dd = i; sort(c, c + n); int p = 0, k = n - 1, mid = 0; while(p <= k) { mid = (p + k) >> 1; if(ok(mid, n)) k = mid - 1; else p = ++mid; } For(i, 0, n) ans[i] = 'T'; For(i, 0, mid) ans[c[i].dd] = 'N'; printf("%s\n", ans); } |