BZOJ3687
#include#include using namespace std; bitset <2000001> f; int n; int main(){ scanf("%d",&n); f[0]=1; for (int i=1;i<=n;i++){ int t; scanf("%d",&t); f=f^(f<
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BZOJ3346#include#include #include
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BZOJ3687
#include#include using namespace std; bitset <2000001> f; int n; int main(){ scanf("%d",&n); f[0]=1; for (int i=1;i<=n;i++){ int t; scanf("%d",&t); f=f^(f<
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BZOJ3346#include#include #include
转载于:https://www.cnblogs.com/zhujiangning/p/6349488.html