#include <iostream> #include <vector> #include <algorithm> #include <utility> #include <bitset> using namespace std; int n; long long a, px[500005]; vector<pair<long long, int>> v; bitset<500001> bs, wyn; int main() { scanf("%d", &n); for(int i = 0; i < n; ++i){ scanf("%lld", &a); v.push_back(make_pair(a,i)); } sort(v.begin(), v.end()); bs.flip(0); for(int i = 1; i < n; ++i){ px[i] = px[i-1] + v[i-1].first; if(v[i-1].first == v[i].first && bs.test(i-1)) bs.flip(i); } if(!bs.test(n-1)){ wyn.flip(v.back().second); for(int i = n-2; i >= 1; --i){ if(bs.test(i)) break; if(px[i] + v[i].first > v[i+1].first) wyn.flip(v[i].second); else break; } } for(int i = 0; i < n; ++i){ if(wyn.test(i)) printf("T"); else printf("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 | #include <iostream> #include <vector> #include <algorithm> #include <utility> #include <bitset> using namespace std; int n; long long a, px[500005]; vector<pair<long long, int>> v; bitset<500001> bs, wyn; int main() { scanf("%d", &n); for(int i = 0; i < n; ++i){ scanf("%lld", &a); v.push_back(make_pair(a,i)); } sort(v.begin(), v.end()); bs.flip(0); for(int i = 1; i < n; ++i){ px[i] = px[i-1] + v[i-1].first; if(v[i-1].first == v[i].first && bs.test(i-1)) bs.flip(i); } if(!bs.test(n-1)){ wyn.flip(v.back().second); for(int i = n-2; i >= 1; --i){ if(bs.test(i)) break; if(px[i] + v[i].first > v[i+1].first) wyn.flip(v[i].second); else break; } } for(int i = 0; i < n; ++i){ if(wyn.test(i)) printf("T"); else printf("N"); } return 0; } |