#include <stdio.h>
 
int main() {
    double principal = 1000000; // 元本（円）
    double rate = 0.03;         // 年利率（3%）
    double target = 1500000;    // 目標額（円）
    double amount = principal;  // 現在の元利合計
    int years = 0;              // 経過年数
 
    // 元利合計が150万円を超えるまで計算
    while (amount <= target) {
        amount *= (1 + rate); // 複利計算
        years++;
    }
 
    // 結果の表示
    printf("元利合計が150万円を超える年数: %d年\n", years);
    printf("この時の元利合計: %.0f円\n", amount);
 
    return 0;
}
 

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