結果
問題 | No.441 和か積 |
ユーザー |
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提出日時 | 2016-11-12 07:05:20 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 2 ms / 1,000 ms |
コード長 | 2,574 bytes |
コンパイル時間 | 1,560 ms |
コンパイル使用メモリ | 165,800 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-27 03:32:52 |
合計ジャッジ時間 | 2,509 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
ソースコード
#include <bits/stdc++.h>//const static double de_PI = 3.14159265358979323846;//const static int de_MOD = 1000000007;//const static int de_MAX = 999999999;//const static int de_MIN = -999999999;inline void Erase_LeadingZero(std::string &A) {if (A.length() <= 18) {unsigned long long temp = std::stoull(A);A = std::to_string(temp);}else {std::reverse(A.begin(), A.end());while (A.back() == '0') { A.pop_back(); }std::reverse(A.begin(), A.end());if (A == "") { A = "0"; }}}inline std::string Add_MultiplePrecision(const std::string &str1, const std::string &str2) {std::string A = str1, B = str2;int al = A.length(), bl = B.length(), cl = std::max(A.length(), B.length());std::vector<int> a(cl), b(cl), c(cl + 1);for (int i = 0; i < al; i++) { a[i] = A[al - 1 - i] - '0'; }for (int i = 0; i < bl; i++) { b[i] = B[bl - 1 - i] - '0'; }int carry = 0;for (int i = 0; i < cl; i++) {c[i] = (a[i] + b[i] + carry) % 10;c[i + 1] = carry = (a[i] + b[i] + carry) / 10;}std::string ans(cl, 0);for (int i = 0; i < cl; i++) { ans[cl - i - 1] = static_cast<char>(c[i]) + '0'; }Erase_LeadingZero(ans);return(ans);}inline std::string Multiply_MultiplePrecision(const std::string &str1, const std::string &str2) {std::string A = str1, B = str2;int al = A.length(), bl = B.length(), cl = al + bl;std::vector<int> a(al), b(bl), c(cl + 1);for (int i = 0; i < al; i++) { a[i] = A[al - 1 - i] - '0'; }for (int i = 0; i < bl; i++) { b[i] = B[bl - 1 - i] - '0'; }for (int i = 0; i < bl; i++) {for (int j = 0; j < al; j++) { c[i + j] += b[i] * a[j]; }}for (int i = 0; i < cl; i++) {c[i + 1] += c[i] / 10;c[i] = c[i] % 10;}std::string ans(cl, 0);for (int i = 0; i < cl; i++) { ans[cl - i - 1] = static_cast<char>(c[i]) + '0'; }Erase_LeadingZero(ans);return(ans);}inline bool Compare_MultiplePrecision(const std::string &A, const std::string &B) {if (A == B) { return true; }if (A.length() > B.length()) { return true; }else if (A.length() < B.length()) { return false; }else {unsigned int i = 0;while (A[i] == B[i]) { i++; }if (A[i] > B[i]) { return true; }else { return false; }}}int main(void) {//std::ifstream inf("123.txt"); std::cin.rdbuf(inf.rdbuf());std::string A, B, S, P;std::cin >> A >> B;S = Add_MultiplePrecision(A, B);P = Multiply_MultiplePrecision(A, B);if (S == P) { std::cout << "E" << std::endl; }else {if (Compare_MultiplePrecision(S, P)) { std::cout << "S" << std::endl; }else { std::cout << "P" << std::endl; }}}