#include <algorithm> #include <cstdio> using namespace std; struct Fish { int id; long long size; bool sameAsNext; bool operator <(const Fish& d) const { return size < d.size; } }; Fish tab[500010]; bool res[500010]; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { res[i] = false; tab[i].sameAsNext = false; tab[i].id = i; scanf("%lld", &tab[i].size); } sort(tab, tab + n); long long sum = tab[0].size; res[tab[0].id] = false; int s = 1; while (s<n && tab[s].size == tab[s-1].size) { res[tab[s].id] = false; sum += tab[s].size; s++; } for (int i = s; i < n; i++) { sum += tab[i].size; if (sum > tab[n - 1].size) { res[tab[i].id] = true; } else if (sum > tab[i + 1].size || tab[i + 1].size == tab[i].size) { tab[i].sameAsNext = true; } } for (int i = n - 2; i > 0; i--) { if (tab[i].sameAsNext && res[tab[i + 1].id]) { res[tab[i].id] = true; } } for (int i = 0; i < n; i++) { printf(res[i] ? "T" : "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 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 77 | #include <algorithm> #include <cstdio> using namespace std; struct Fish { int id; long long size; bool sameAsNext; bool operator <(const Fish& d) const { return size < d.size; } }; Fish tab[500010]; bool res[500010]; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { res[i] = false; tab[i].sameAsNext = false; tab[i].id = i; scanf("%lld", &tab[i].size); } sort(tab, tab + n); long long sum = tab[0].size; res[tab[0].id] = false; int s = 1; while (s<n && tab[s].size == tab[s-1].size) { res[tab[s].id] = false; sum += tab[s].size; s++; } for (int i = s; i < n; i++) { sum += tab[i].size; if (sum > tab[n - 1].size) { res[tab[i].id] = true; } else if (sum > tab[i + 1].size || tab[i + 1].size == tab[i].size) { tab[i].sameAsNext = true; } } for (int i = n - 2; i > 0; i--) { if (tab[i].sameAsNext && res[tab[i + 1].id]) { res[tab[i].id] = true; } } for (int i = 0; i < n; i++) { printf(res[i] ? "T" : "N"); } return 0; } |