Codeforces Round #524 (Div. 2) C. Masha and two friends
題意：一個黑白格相間的矩陣，先給出一個子矩陣，全塗白，而後再給出一個矩陣，全塗黑。問最後白色和黑色的格子各有多少。ios 思路：先計算出初始的兩個顏色的格子數。計算塗白時候增長的白色格子，更新格子數，計算塗黑增長的黑色格子數，更新，而後在計算相交部分的。spa 寫完之後以爲這麼寫仍是有點麻煩，直接計算出來兩個部分最後黑色和白色的格子數，總數上加加減減就行了，不過關鍵點都是同樣的
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相關文章
- 1. Codeforces Round #524 (Div. 2) C. Masha and two friends
- 2. Codeforces Round #524 (Div. 2) C Masha and two friends
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- 5. Codeforces Round #398 (Div. 2) B,C
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