結果
問題 | No.817 Coin donation |
ユーザー | ミドリムシ |
提出日時 | 2019-04-19 21:41:26 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,624 bytes |
コンパイル時間 | 997 ms |
コンパイル使用メモリ | 80,708 KB |
実行使用メモリ | 8,064 KB |
最終ジャッジ日時 | 2024-09-22 17:45:55 |
合計ジャッジ時間 | 2,325 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | AC | 5 ms
6,944 KB |
testcase_06 | AC | 17 ms
6,940 KB |
testcase_07 | AC | 21 ms
6,940 KB |
testcase_08 | AC | 87 ms
6,940 KB |
testcase_09 | AC | 25 ms
6,940 KB |
testcase_10 | AC | 129 ms
7,936 KB |
testcase_11 | AC | 129 ms
7,936 KB |
testcase_12 | AC | 129 ms
8,064 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 2 ms
6,940 KB |
ソースコード
#include <iostream> #include <algorithm> #include <vector> #include <string.h> #include <cassert> #include <queue> using namespace std; using lint = long long; const lint mod = 256; #define all(x) (x).begin(), (x).end() #define bitcount(n) __builtin_popcountl((lint)(n)) #define fcout cout << fixed << setprecision(15) #define highest(x) (63 - __builtin_clzl(x)) template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; } template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; } template<class T> inline void POSS(T condition){ if(condition) cout << "POSSIBLE" << endl; else cout << "IMPOSSIBLE" << endl; } template<class T> inline void Poss(T condition){ if(condition) cout << "Possible" << endl; else cout << "Impossible" << endl; } template<class T> inline void First(T condition){ if(condition) cout << "First" << endl; else cout << "Second" << endl; } template<class T = string, class U = char>int character_count(T text, U character){ int ans = 0; for(U i: text){ ans += (i == character); } return ans; } lint power(lint base, lint exponent, lint module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ lint root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }} struct position{ int y, x; }; position mv[4] = {{0, -1}, {1, 0}, {0, 1}, {-1, 0}}; // double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); } template<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + "," + to_string(x.second); } string to_string(string x){ return x; } template<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++) ans += to_string(*i) + " "; if(!ans.empty()) ans.pop_back(); cout << ans << endl; } template<class itr> void cins(itr first, itr last){ for(auto i = first; i != last; i++){ cin >> (*i); } } template<class T> T gcd(T a, T b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }} template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; } struct combination{ vector<lint> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1){ fact[0] = 1; for(int i = 1; i <= sz; i++){ fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2, mod); for(int i = sz - 1; i >= 0; i--){ inv[i] = inv[i + 1] * (i + 1) % mod; } } lint C(int p, int q) const{ if(q < 0 || p < q) return 0; return (fact[p] * inv[q] % mod * inv[p - q] % mod); } }; template<class itr> bool next_sequence(itr first, itr last, int max_bound){ itr now = last; while(now != first){ now--; (*now)++; if((*now) == max_bound){ (*now) = 0; }else{ return true; } } return false; } int main(){ int N, K; cin >> N >> K; vector<lint> AB(N * 2); lint A[N], B[N]; for(int i = 0; i < N; i++){ cin >> A[i] >> B[i]; B[i]++; AB[i] = A[i], AB[i + N] = B[i]; } sort(all(AB)); AB.erase(unique(all(AB)), AB.end()); vector<lint> sum(AB.size(), 0); for(int i = 0; i < N; i++){ sum[lower_bound(all(AB), A[i]) - AB.begin()]++; sum[lower_bound(all(AB), B[i]) - AB.begin()]--; } for(int i = 0; i < AB.size() - 1; i++){ sum[i + 1] += sum[i]; } for(int i = 0; i < AB.size() - 1; i++){ if(K <= (AB[i + 1] - AB[i]) * sum[i]){ cout << AB[i] + K / sum[i] << endl; return 0; } K -= (AB[i + 1] - AB[i]) * sum[i]; } }