結果
問題 | No.49 算数の宿題 |
ユーザー | yasunori |
提出日時 | 2024-07-20 18:59:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 3,477 bytes |
コンパイル時間 | 2,344 ms |
コンパイル使用メモリ | 205,836 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-20 18:59:27 |
合計ジャッジ時間 | 2,950 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
コンパイルメッセージ
main.cpp: In function 'void TLE()': main.cpp:26:15: warning: iteration 2147483646 invokes undefined behavior [-Waggressive-loop-optimizations] 26 | while(x) x++; | ~^~ main.cpp:26:11: note: within this loop 26 | while(x) x++; | ^
ソースコード
#include <bits/stdc++.h> using namespace std; template <typename T> using min_priority_queue = priority_queue<T,vector<T>,greater<T>>; random_device seed_gen; mt19937 engine(seed_gen()); uint64_t rand64(){ uint64_t a = engine(); uint64_t b = engine(); return (a << 32) + b; } int64_t get_time(){ struct::timespec t; clock_gettime(CLOCK_MONOTONIC, &t); return t.tv_sec * int64_t(1'000'000'000) + t.tv_nsec; } void RE(){ assert(false); } void TLE(){ int x = 1; while(x) x++; } void MLE(){ vector V(0x10000000,0); } template<typename T> void invec(vector<T> &v){ for(auto &i : v) cin >> i; return; } template<typename T> void outvec(vector<T> &v){ bool b = false; for(auto i : v){ if(b) cout << " "; else b = true; cout << i; } cout << endl; return; } template <typename T> bool chmin(T &a, const T& b) { if (a > b) { a = b; // aをbで更新 return true; } return false; } template <typename T> bool chmax(T &a, const T& b) { if (a < b) { a = b; // aをbで更新 return true; } return false; } bool yn(bool b){ if(b) cout << "Yes" << endl; else cout << "No" << endl; return b; } bool check_with_simple_solution; bool calc_time; bool random_input; bool debug_output; int num_of_testcase; using ans_type = int; void input(){ if(num_of_testcase > 1){ } if(random_input){ } else{ } return; } void output_input(){ return; } void pre_solve(){ return; } int f(string &s, int l, int r){ for(int i = r-1; i >= l; i--){ if(s[i] == '*') return f(s, l, i) + f(s, i+1, r); if(s[i] == '+') return f(s, l, i) * f(s, i+1, r); } string t = s.substr(l, r-l); return stoi(t); } ans_type solve(){ string s; cin >> s; cout << f(s, 0, s.size()) << endl; return ans_type(); } ans_type solve_simple(){ return ans_type(); } void output(ans_type ans){ return; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(20); check_with_simple_solution = 0; calc_time = 0; random_input = 0; debug_output = 0; num_of_testcase = 1; if(num_of_testcase == 0) cin >> num_of_testcase; pre_solve(); if(check_with_simple_solution){ for(int i = 0; i < num_of_testcase; i++){ if(debug_output) cout << "begin case " << i << " " << string(16, '=') << endl; input(); ans_type ans = solve(); if(debug_output) cout << string(16, '=') << endl; ans_type ans_simple = solve_simple(); if(ans != ans_simple){ cout << "input: " << endl; output_input(); cout << "output: " << endl; output(ans); cout << "expected: " << endl; output(ans_simple); } if(debug_output) cout << "end case " << i << " " << string(16, '=') << endl; } } else{ int64_t time_start = get_time(); for(int i = 0; i < num_of_testcase; i++){ input(); output(solve()); } int64_t time_end = get_time(); if(calc_time){ double time_per_case = (time_end - time_start) / (1e9 * num_of_testcase); cout << fixed << setprecision(3) << time_per_case << "[second/case]" << endl; } } return 0; }