#include <bits/stdc++.h> using namespace std; void solve() { int n, s; multimap<long long, int> sizes; // size -> pos map<int, char> results; // pos -> res "T"/"N" cin >> n; for (int i = 0; i < n; i++) { cin >> s; sizes.insert({s, i}); } vector<long long> psums(n, 0); int i = 0; for (const auto & el: sizes) { if (i == 0) { psums[i] = el.first; } else { psums[i] = psums[i-1] + el.first; } i++; } if (sizes.begin()->first == sizes.rbegin()->first) { string ret(n, 'N'); cout << ret << "\n"; return; } i = n - 1; auto prev = sizes.rbegin(); for (auto it = sizes.rbegin(); it != sizes.rend(); it++) { if (it->first == psums[0]) { results[it->second] = 'N'; } else if (it->first == sizes.rbegin()->first) { results[it->second] = 'T'; } else { if (it->first < prev->first) { if (psums[i] > prev->first && results[prev->second] == 'T') { results[it->second] = 'T'; } else { results[it->second] = 'N'; } } else { results[it->second] = results[prev->second]; } } prev = it; i--; } for (i = 0; i < n; i++) { cout << results[i]; } cout <<"\n"; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); solve(); }
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 | #include <bits/stdc++.h> using namespace std; void solve() { int n, s; multimap<long long, int> sizes; // size -> pos map<int, char> results; // pos -> res "T"/"N" cin >> n; for (int i = 0; i < n; i++) { cin >> s; sizes.insert({s, i}); } vector<long long> psums(n, 0); int i = 0; for (const auto & el: sizes) { if (i == 0) { psums[i] = el.first; } else { psums[i] = psums[i-1] + el.first; } i++; } if (sizes.begin()->first == sizes.rbegin()->first) { string ret(n, 'N'); cout << ret << "\n"; return; } i = n - 1; auto prev = sizes.rbegin(); for (auto it = sizes.rbegin(); it != sizes.rend(); it++) { if (it->first == psums[0]) { results[it->second] = 'N'; } else if (it->first == sizes.rbegin()->first) { results[it->second] = 'T'; } else { if (it->first < prev->first) { if (psums[i] > prev->first && results[prev->second] == 'T') { results[it->second] = 'T'; } else { results[it->second] = 'N'; } } else { results[it->second] = results[prev->second]; } } prev = it; i--; } for (i = 0; i < n; i++) { cout << results[i]; } cout <<"\n"; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); solve(); } |