CodeForces 791A - Bear and Big Brother
題意:
一開始給你小熊和牠哥哥的體型，牠每一年增加三倍，而牠哥哥增加兩倍。題目問你說至少要幾年小熊才能超過哥哥的體重。
思路:
每過一年看小熊有沒有超過哥哥，如果有就輸出經過了幾年。
程式碼:
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| #include <iostream> | |
| using namespace std; | |
| int main(){ | |
| int a, b; | |
| cin >> a >> b; | |
| int count = 0; | |
| while(a <= b){ | |
| a *= 3; | |
| b *= 2; | |
| count++; | |
| } | |
| cout << count; | |
| } |