#include <stdio.h>
 
int main() {
    // 定数の定義
    const double principal = 1000000.0; // 元本（円）
    const double rate = 0.03;           // 年利 3%
    const double target = 1500000.0;    // 目標金額（円）
 
    // 変数の初期化
    double amount = principal; // 元利合計
    int years = 0;             // 年数
 
    // 複利計算ループ
    while (amount <= target) {
        amount *= (1 + rate); // 元利合計を更新
        years++;              // 年数を増加
    }
 
    // 結果の表示
    printf("150万円を超える年数: %d年\n", years);
    printf("そのときの元利合計: %.0f円\n", amount);
 
    return 0;
}
 

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