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链接：https://ac.nowcoder.com/acm/contest/949/H来源：牛客网题目描述小阳手中一共有 n 个贝壳，每个贝壳都有颜色，且初始第 i 个贝壳的颜色为 colicoli 。现在小阳有 3 种操作：1 l r x：给 [l,r][l,r] 区间里所有贝壳的颜色值加上 xx 。2 l r：询问 [l,r][l,r] 区间里所有相邻贝壳 颜色值的差（取绝...

Problem DescriptionThere is an apple tree in front of Taotao's house. When autumn comes,napples on the tree ripen, and Taotao will go to pick these apples.When Taotao picks apples, Taotao scans t...