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- #include <iostream>
- int main()
- {
- int year, select;
- const char* wareki_name[] = { "なし","昭和","平成","令和" };
- std::cout << "和暦の種類(1.昭和/2.平成/3.令和) >";
- std::cin >> select;
- std::cout << wareki_name[select] << "何年?>";
- std::cin >> year;
- int y = year;
- int result;
- switch (select) {
- case 1:
- result = year + 25 + 1900;
- break;
- case 2:
- result = year - 12 + 2000;
- break;
- case 3:
- result = year + 18 + 2000;
- break;
- default:
- return 0;
- }
- std::cout << wareki_name[select] << y << "年は西暦" << result << "年です。" << std::endl;
- }
- /*
- 出力結果:
- 和暦の種類(1.昭和/2.平成/3.令和) >1
- 昭和何年?>39
- 昭和39年は西暦1964年です。
- */
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