#include <iostream> #include <vector> #include <stack> #include <algorithm> using namespace std; class Item { public: int a; int index; Item(int aa, int ii) : a(aa), index(ii) {}; }; int lowest(const void *a, const void *b) { return ((*(Item **) a)->a - (*(Item **) b)->a); } void random_shuffle(const vector<Item, allocator<Item>>::iterator first, const vector<Item, allocator<Item>>::iterator last) { int n = last - first; for (int i = 0; i < n; i++) { swap(first[i], first[rand() % n]); } } vector<Item*> v; int main() { int n; cin >> n; char *output = new char[n]; for (int i = 0; i < n; i++) { int a; cin >> a; v.push_back(new Item(a, i)); } // random_shuffle(v.begin(), v.end()); qsort(&v[0], v.size(), sizeof(Item*), lowest); int first = v[0]->a; long long sum = first; int i; for(i = 1; i < n; i++) { sum += v[i]->a; if(v[i]->a > first) { break; } } int noIndex = i; for (++i;i < n; i++) { Item *item = v[i]; if (item->a >= sum) { noIndex = i; } sum += item->a; } for(i = 0; i < noIndex; i++) { output[v[i]->index] = 'N'; } for(i = noIndex; i < n; i++) { output[v[i]->index] = 'T'; } cout << output << endl; // delete[] output; 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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | #include <iostream> #include <vector> #include <stack> #include <algorithm> using namespace std; class Item { public: int a; int index; Item(int aa, int ii) : a(aa), index(ii) {}; }; int lowest(const void *a, const void *b) { return ((*(Item **) a)->a - (*(Item **) b)->a); } void random_shuffle(const vector<Item, allocator<Item>>::iterator first, const vector<Item, allocator<Item>>::iterator last) { int n = last - first; for (int i = 0; i < n; i++) { swap(first[i], first[rand() % n]); } } vector<Item*> v; int main() { int n; cin >> n; char *output = new char[n]; for (int i = 0; i < n; i++) { int a; cin >> a; v.push_back(new Item(a, i)); } // random_shuffle(v.begin(), v.end()); qsort(&v[0], v.size(), sizeof(Item*), lowest); int first = v[0]->a; long long sum = first; int i; for(i = 1; i < n; i++) { sum += v[i]->a; if(v[i]->a > first) { break; } } int noIndex = i; for (++i;i < n; i++) { Item *item = v[i]; if (item->a >= sum) { noIndex = i; } sum += item->a; } for(i = 0; i < noIndex; i++) { output[v[i]->index] = 'N'; } for(i = noIndex; i < n; i++) { output[v[i]->index] = 'T'; } cout << output << endl; // delete[] output; return 0; } |