http://cat.nknush.kh.edu.tw/ZeroJudge/ShowProblem?problemid=a013 可以用帐号guest,pw guest测试 这个题目我解出来，自己测试都没问题， 但是丢上去都会WA 与正确输出不相符(line:8) 您的答案为: XXVIII 正确答案为: XVIII 可以麻烦各位帮我看一下程式码吗？ http://src.wtgstudio.com/?5g5p41 #include <iostream> #include <cmath> #include <string> using namespace std; int main() { int I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000; int sum = 0, temp = 0, result = 0; string input; while(getline(cin, input)) { //cout << "debug ... input = " << input << endl; //cout << "debug ... input.size() = " << input.size() << endl; for(int j = input.size()-1; j != -1; --j) { if(input[j] == '#') return 0; if(input[j] == ' ') { temp = sum; sum = 0; //cout << "debug ... temp = " << temp << endl; } if(input[j] =='I') { if(input[j+1] == 'V') ; else if (input[j+1] == 'X') ; else sum += 1; } if(input[j] =='V') { if(input[j-1] == 'I') sum += 4; else sum += 5; } if(input[j] == 'X') { if(input[j-1] == 'I') sum += 9; if(input[j+1] == 'C') ; else sum += 10; } if(input[j] == 'L') { if(input[j-1] == 'X') sum += 40; else sum += 50; } if(input[j] == 'C') { if(input[j-1] == 'X') sum += 90; else if(input[j+1] == 'M') ; else if(input[j+1] == 'D') ; else sum += 100; } if(input[j] == 'D') { if(input[j-1] == 'C') sum += 400; else sum += 500; } if(input[j] == 'M') { if(input[j-1] == 'C') sum += 900; else sum += 1000; } } //cout << "debug ... sum = " << sum << endl; //cout << "debug ... sum-temp = " << sum-temp << endl; result = abs(sum-temp); sum = 0; if(result == 0) { cout << "ZERO" << endl; continue; } if(result/1000) { switch(result/1000) { case 1: cout << "M"; break; case 2: cout << "MM"; break; case 3: cout << "MMM"; break; } result = result%1000; if(result == 0) cout << endl; //cout << "\ndebug ... result%1000 = " << result << endl; } if(result/900) { cout << "CM"; result = result%900; //cout << "\ndebug ... result%900 = " << result << endl; if(result == 0) cout << endl; } if(result/500) { cout << "D"; result = result%500; //cout << "\ndebug ... result%500 = " << result << endl; if(result == 0) cout << endl; } if(result/400) { cout << "CD"; result = result%400; if(result == 0) cout << endl; } if(result/100) { switch(result/100) { case 1: cout << "C"; break; case 2: cout << "CC"; break; case 3: cout << "CCC"; break; } result = result%100; //cout << "\ndebug ... result%100 = " << result << endl; if(result == 0) cout << endl; } if(result/90) { cout << "XC"; result = result%90; if(result == 0) cout << endl; } if(result/50) { cout << "L"; result = result%50; if(result == 0) cout << endl; } if(result/40) { cout << "XL"; result = result%40; if(result == 0) cout << endl; } if(result/10) { switch(result/10) { case 1: cout << "X"; break; case 2: cout << "XX"; break; case 3: cout << "XXX"; break; } result = result%10; //cout << "\ndebug ... result%10 = " << result << endl; if(result == 0) cout << endl; } if(result/9) { cout << "IX"; result = result%9; if(result == 0) cout << endl; } if(result/5) { cout << "V"; result = result%5; if(result == 0) cout << endl; } if(result/4) { cout << "IV"; result = result%4; if(result == 0) cout << endl; } if(result/1) { switch(result/1) { case 1: cout << "I"; break; case 2: cout << "II"; break; case 3: cout << "III"; break; } result = result%1; //cout << "\ndebug ... result%1 = " << result << endl; cout << endl; } } return 0; } --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 118.161.221.10 ※ 编辑: darklady 来自: 118.161.221.10 (02/21 00:31) ※ 编辑: darklady 来自: 118.161.221.10 (02/21 00:32)