摘要：
#include using namespace std; const int maxn=500011; const int inf=1 #define pb push_back #define cl(a,b) memset(a,b,sizeof(a)); int a[maxn]; int main(){ int n; while(~scanf("%d",&n)){ ... 阅读全文
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摘要：
#include using namespace std; const int maxn=500011; const int inf=1 #define pb push_back #define cl(a,b) memset(a,b,sizeof(a)); int a[maxn]; int main(){ int n; while(~scanf("%d",&n)){ ... 阅读全文
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