【比赛链接】clikc here~~
ps:真是wuyu~~做了两小时。A出两道题,最后由于没加longlong所有被别人hack掉!,最后竟然不知道hack别人不成功也会掉分。还一个劲的hack 别人的代码,昨天真是个悲催的比赛,~~~~(>_<)~~~~,以下弱弱献上代码~~
1002比1001还简单~~
1002 Senior's Gun
/* BestCoder Round #47 1002 Senior's Gun */ #include <iostream> #include <stdio.h> #include <string.h> #include <algorithm> using namespace std; #define rep(i,j,k) for(int i=(int)j;i<=(int)k;i++) #define per(i,j,k) for(int i=(int)j;i>=(int)k;i--) typedef long long LL; typedef unsigned long long LLU; typedef double db; const int N =2*1e5+10; int n,m,t,p,res,cnt; LL ans,tmp; int num[N]; int aa[N],bb[N]; char str[N]; bool vis[N]; int main() { scanf("%d",&t); while (t--) { scanf("%d%d",&n,&m); for (int i=1; i<=n; i++) scanf("%d",&aa[i]); for (int i=1; i<=m; i++) scanf("%d",&bb[i]); sort(aa+1,aa+n+1); sort(bb+1,bb+m+1); ans=0; int j=n; for (int i=1; i<=min(n,m); i++) if(aa[j]>bb[i]) { ans+=aa[j]-bb[i]; j--; } else break; printf("%I64d\n",ans); } return 0; }
1001 Senior's Array
/* BestCoder Round #47 1001 Senior's Array */ #include <iostream> #include <stdio.h> #include <string.h> #include <algorithm> using namespace std; #define rep(i,j,k) for(int i=(int)j;i<=(int)k;i++) #define per(i,j,k) for(int i=(int)j;i>=(int)k;i--) typedef long long LL; typedef unsigned long long LLU; typedef double db; const int N =2*1e4+10; int n,m,t,p; int aa[N],bb[N]; char str[N]; bool vis[N]; int main() { scanf("%d",&t); while (t--) { scanf("%d%d",&n,&p); rep(i,1,n) scanf("%d",&aa[i]); LL ans=-1e9; rep(i,1,n) { int tmp=aa[i]; aa[i]=p; LL now=0; rep(j,1,n) { now+=(1ll)*aa[j]; if(now>ans) ans=now; if(now<0) now=0; } aa[i]=tmp; } printf("%I64d\n",ans); } return 0; }