摘要:
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摘要:
Code:#include#include#includeusing namespace std;const int maxn = 200000 + 4;int lazy[maxn > 1; if(lazy[o]) { lazy[... 阅读全文
摘要:
Code:#include#include#includeusing namespace std;const int maxn = 2500 + 4;const int inf = 100000000;int f[maxn], sumv[maxn];int ... 阅读全文