#include <cstdio> #include <vector> #include <algorithm> using namespace std; struct Sum { unsigned long w; int i; bool king; }; int main() { int n; scanf("%d", &n); vector<Sum> weights(n); for (int i = 0; i < n; ++i) { unsigned long w; scanf("%lu", &w); weights[i] = {w, i, false}; } sort(weights.begin(), weights.end(), [](const Sum& s1, const Sum& s2) { return s1.w < s2.w; }); if (weights[0].w == weights[n-1].w) { for (int i = 0; i < n; ++i) printf("N"); printf("\n"); return 0; } vector<unsigned long> sums(n, 0); unsigned long s = 0; for (int i = 1; i < n; ) { if(weights[i].w != weights[i-1].w) { sums[i] = sums[i-1] + weights[i-1].w + s; s = 0; ++i; } else { while(i < n && weights[i].w == weights[i-1].w) { sums[i] = sums[i-1]; s += weights[i-1].w; ++i; } } } // biggest sums: int i = n - 1; while(weights[i].w == weights[i-1].w) { weights[i].king = true; --i; } for (int j = i; j >= 0;) { if(sums[j] <= 0) break; // zjedz równe int k = j; int startw = sums[j]; while (k >= 0 && weights[k].w == weights[k-1].w) { startw += weights[k-1].w; --k; } if(weights[j].w + startw > weights[j+1].w) { if(k == j) { weights[j].king = true; --j; } else { for (int l = j; l > k; --l) { weights[l].king = true; } j = k; } } else { break; } } sort(weights.begin(), weights.end(), [](const Sum& s1, const Sum& s2) { return s1.i < s2.i; }); for (int i = 0; i < n; ++i) { printf("%c", weights[i].king ? 'T' : 'N'); } 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 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 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | #include <cstdio> #include <vector> #include <algorithm> using namespace std; struct Sum { unsigned long w; int i; bool king; }; int main() { int n; scanf("%d", &n); vector<Sum> weights(n); for (int i = 0; i < n; ++i) { unsigned long w; scanf("%lu", &w); weights[i] = {w, i, false}; } sort(weights.begin(), weights.end(), [](const Sum& s1, const Sum& s2) { return s1.w < s2.w; }); if (weights[0].w == weights[n-1].w) { for (int i = 0; i < n; ++i) printf("N"); printf("\n"); return 0; } vector<unsigned long> sums(n, 0); unsigned long s = 0; for (int i = 1; i < n; ) { if(weights[i].w != weights[i-1].w) { sums[i] = sums[i-1] + weights[i-1].w + s; s = 0; ++i; } else { while(i < n && weights[i].w == weights[i-1].w) { sums[i] = sums[i-1]; s += weights[i-1].w; ++i; } } } // biggest sums: int i = n - 1; while(weights[i].w == weights[i-1].w) { weights[i].king = true; --i; } for (int j = i; j >= 0;) { if(sums[j] <= 0) break; // zjedz równe int k = j; int startw = sums[j]; while (k >= 0 && weights[k].w == weights[k-1].w) { startw += weights[k-1].w; --k; } if(weights[j].w + startw > weights[j+1].w) { if(k == j) { weights[j].king = true; --j; } else { for (int l = j; l > k; --l) { weights[l].king = true; } j = k; } } else { break; } } sort(weights.begin(), weights.end(), [](const Sum& s1, const Sum& s2) { return s1.i < s2.i; }); for (int i = 0; i < n; ++i) { printf("%c", weights[i].king ? 'T' : 'N'); } printf("\n"); return 0; } |