开学后,新学年新气象,学校题库也迎来了新的改动,界面大改变,也可以比赛了。
所以这周就有比赛了,而在纪中被虐习惯后回来渴望继续被虐就来参加提高组模拟赛(反正今年也参加提高组)
只放 Rank 1∼10 R a n k 1 ∼ 10
Rank R a n k | Person P e r s o n | Score S c o r e |
---|---|---|
1 | 2015hjw 2015 h j w | 200 |
2 | 2015yjy 2015 y j y | 140 |
3 | 2017myself 2017 m y s e l f | 120 |
4 | 2015lzx 2015 l z x | 100 |
5 | 2017xxy 2017 x x y | 80 |
6 | 2017xjq 2017 x j q | 70 |
6 | 2015trx 2015 t r x | 70 |
8 | 2015cjx 2015 c j x | 60 |
9 | 2017lw 2017 l w | 40 |
10 | 2017zyc 2017 z y c | 20 |
10 | 2017hzb 2017 h z b | 20 |
10 | 2017lrz 2017 l r z | 20 |
10 | 2017hjq 2017 h j q | 20 |
博客链接:https://blog.csdn.net/Mr_wuyongcong/article/details/82529745
博客链接:https://blog.csdn.net/Mr_wuyongcong/article/details/82529832
博客链接:https://blog.csdn.net/Mr_wuyongcong/article/details/82529996
#include
#include
#include
#define random(x) rand()%x
using namespace std;
int n,x,y,a[1000][1000];
int main()
{
srand(time(0));
freopen("data.in","w",stdout);
n=500;
printf("500\n");
for(int i=1;i<=n;i++)
{
x=random(100);y=random(100);
while(a[x][y])x=random(100),y=random(100);
a[x][y]=true;
printf("%d %d\n",x,y);
}
}
#include
#include
#define N 3010
#define gcd(x,y) abs(__gcd(x,y))
using namespace std;
int n,ans,x[N],y[N];
bool check(int x1,int y1,int x2,int y2,int x3,int y3)
{
if(x1>x2) swap(x1,x2),swap(y1,y2);
if(x1>x3) swap(x1,x3),swap(y1,y3);
if(x2>x3) swap(x2,x3),swap(y2,y3);
//if(!(y1<=y2&&y2<=y3||y1>=y2&&y2>=y3)) return true;
int a1=x2-x1,a2=x3-x2,b1=y2-y1,b2=y3-y2;
if(!a1&&!a2||!b2&&!b1) return false;
if(!a1||!a2||!b1||!b2) return true;
int g1=gcd(a1,b1),g2=gcd(a2,b2);
a1/=g1;a2/=g2;b1/=g1;b2/=g2;
if(a1==a2&&b1==b2)return false;
}
int main()
{
freopen("data.in","r",stdin);
freopen("data.ans1","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
scanf("%d%d",&x[i],&y[i]);
for(int i=3;i<=n;i++)
for(int j=2;jfor(int k=1;kif(check(x[k],y[k],x[j],y[j],x[i],y[i]))
{
//printf("%d,%d %d,%d %d,%d\n",x[k],y[k],x[j],y[j],x[i],y[i]);
ans++;
}
printf("%d",ans);
}
#include
#include
#include
using namespace std;
int main()
{
while(true)
{
system("sjxr.exe");
system("sjx1.exe");
double st=clock();
system("sjx2.exe");
double ed=clock();
if(system("fc data.ans1 data.ans2")){
printf("WA");
return 0;
}
else
{
printf("AC time:%0.2lf\n",ed-st);
}
}
}
#include
#include
#include
#define N 50010
using namespace std;
struct line{
int to,next,w;
}a[N*2];
int n,m,x,y,w,k,s,t,f[N],v[N],tot,ls[N],ans;
queue<int> q;
void addl()
{
scanf("%d%d%d",&x,&y,&w);
a[++tot].to=y;a[tot].w=w;
a[tot].next=ls[x];ls[x]=tot;
}
void spfa(int x)
{
memset(f,127/3,sizeof(f));
q.push(x);v[x]=1;f[x]=0;
while(!q.empty())
{
int x=q.front();q.pop();
for(int i=ls[x];i;i=a[i].next)
{
int y=a[i].to;
if(f[x]+a[i].wif(!v[y])
{
v[y]=true;
q.push(y);
}
}
}
v[x]=false;
}
}
int main()
{
scanf("%d%d%d%d%d",&n,&m,&k,&s,&t);
for(int i=1;i<=m;i++)addl();
spfa(s);
for(int i=1;i<=k;i++)
{
scanf("%d",&x);
if(f[x]>=707406378){
printf("-1");
return 0;
}
ans+=f[x];
spfa(x);
}
if(f[t]>=707406378){
printf("-1");
return 0;
}
ans+=f[t];
printf("%d",ans);
}
#include
#include
#define N 200010
using namespace std;
int cnt,n,m,rp[N],e[N],get[N],ans,a[N],let,num;
char ch[2];
void up(int x)
{
while(x>1&&a[x>>1]>a[x])
{
swap(a[x>>1],a[x]);
x>>=1;
}
}
void down(int x)
{
int y=x<<1;
while(y<=num&&a[y]1<=num&&a[y+1]if(a[y]>a[y+1]) y++;
swap(a[x],a[y]);
x=y;
y<<=1;
}
}
int main()
{
scanf("%d",&cnt);
for(int i=1;i<=cnt;i++)
{
scanf("%s ",ch);
if(ch[0]=='c'){
scanf("%d",&rp[++n]);
}
else scanf("%d",&e[++m]),get[m]=n,e[m]--;
}
let=1;num=0;
for(int i=1;i<=n;i++)
{
if(numlet]||let==m)
{
a[++num]=rp[i];
up(num);
}
else if(a[1]
#include
#include
#include
#define N 3010
#define gcd(x,y) abs(__gcd(x,y))
#define p 300007
#define hashmath(x,y) abs(x+y+x*y*y)%p
using namespace std;
int n,ans,x[N],y[N],num[p];
struct node{
int a,b;
}hash[p];
int locate(node x)
{
int wz=hashmath(x.a,x.b);
while(num[wz%p]&&(hash[wz%p].a!=x.a||hash[wz%p].b!=x.b)&&wzreturn wz%p;
}
node check(int x1,int y1,int x2,int y2)
{
if(x1>x2) swap(x1,x2),swap(y1,y2);
int a1=x2-x1,b1=y2-y1;
if(!a1||!b1) return (node){(bool)a1,(bool)b1};
int g1=gcd(a1,b1);
a1/=g1;b1/=g1;
return (node){a1,b1};
}
void tj(int x1,int y1,int x2,int y2)
{
node now=check(x1,y1,x2,y2);
int wz=locate(now);
ans-=num[wz];
hash[wz]=now;num[wz]++;
}
int main()
{
scanf("%d",&n);
for(int i=1;i<=n;i++)
scanf("%d%d",&x[i],&y[i]);
for(int i=3;i<=n;i++)
{
memset(num,0,sizeof(num));
memset(hash,0,sizeof(hash));
tj(x[i],y[i],x[1],y[1]);
for(int j=2;j1;
tj(x[i],y[i],x[j],y[j]);
}
}
printf("%d",ans);
}
没了