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usaco水题
黑色星期五纯模拟都能过1234567891011121314151617181920212223242526272829303132333435363738#include<cstdio>using namespace std;int a[12]={31,29,31,30,31,30,31,31,30,31,30,31};int b[12]={31,28, …
黑色星期五纯模拟都能过1234567891011121314151617181920212223242526272829303132333435363738#include<cstdio>using namespace std;int a[12]={31,29,31,30,31,30,31,31,30,31,30,31};int b[12]={31,28, …