- ASenate Evacuation
- B Slides
- C Fashion Police
A.Senate Evacuation
#include<bits/stdc++.h>
using namespace std;
#define For(i,n) for(int i=1;i<=n;i++)
#define Fork(i,k,n) for(int i=k;i<=n;i++)
#define Rep(i,n) for(int i=0;i<n;i++)
#define ForD(i,n) for(int i=n;i;i--)
#define ForkD(i,k,n) for(int i=n;i>=k;i--)
#define RepD(i,n) for(int i=n;i>=0;i--)
#define Forp(x) for(int p=Pre[x];p;p=Next[p])
#define Forpiter(x) for(int &p=iter[x];p;p=Next[p])
#define Lson (o<<1)
#define Rson ((o<<1)+1)
#define MEM(a) memset(a,0,sizeof(a));
#define MEMI(a) memset(a,127,sizeof(a));
#define MEMi(a) memset(a,128,sizeof(a));
#define INF (2139062143)
#define F (100000007)
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define vi vector<int>
#define pi pair<int,int>
#define SI(a) ((a).size())
typedef long long ll;
typedef unsigned long long ull;
ll mul(ll a,ll b){return (a*b)%F;}
ll add(ll a,ll b){return (a+b)%F;}
ll sub(ll a,ll b){return (a-b+llabs(a-b)/F*F+F)%F;}
void upd(ll &a,ll b){a=(a%F+b%F)%F;}
int read()
{
int x=0,f=1; char ch=getchar();
while(!isdigit(ch)) {if (ch==‘-‘) f=-1; ch=getchar();}
while(isdigit(ch)) { x=x*10+ch-‘0‘; ch=getchar();}
return x*f;
}
int n,a[100];
int check() {
int p=0;
Rep(i,n) p=max(p,a[i]);
return p;
}
int main()
{
freopen("A.in","r",stdin);
freopen("a.out","w",stdout);
int T=read();
For(kcase,T) {
printf("Case #%d: ",kcase);
cin>>n;
int t=0;
Rep(i,n) cin>>a[i],t+=a[i];
while(t) {
int p=0;
For(i,n-1) if (a[p]<a[i]) p=i;
a[p]--;
--t;
if (check()*2>t) {
putchar(p+‘A‘);
}
else {
putchar(p+‘A‘);
if (t) putchar(‘ ‘);
}
}
puts("");
}
return 0;
}
B. Slides!
#include<bits/stdc++.h>
using namespace std;
#define For(i,n) for(int i=1;i<=n;i++)
#define Fork(i,k,n) for(int i=k;i<=n;i++)
#define Rep(i,n) for(int i=0;i<n;i++)
#define ForD(i,n) for(int i=n;i;i--)
#define ForkD(i,k,n) for(int i=n;i>=k;i--)
#define RepD(i,n) for(int i=n;i>=0;i--)
#define Forp(x) for(int p=Pre[x];p;p=Next[p])
#define Forpiter(x) for(int &p=iter[x];p;p=Next[p])
#define Lson (o<<1)
#define Rson ((o<<1)+1)
#define MEM(a) memset(a,0,sizeof(a));
#define MEMI(a) memset(a,127,sizeof(a));
#define MEMi(a) memset(a,128,sizeof(a));
#define INF (2139062143)
#define F (100000007)
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define vi vector<int>
#define pi pair<int,int>
#define SI(a) ((a).size())
typedef long long ll;
typedef unsigned long long ull;
ll mul(ll a,ll b){return (a*b)%F;}
ll add(ll a,ll b){return (a+b)%F;}
ll sub(ll a,ll b){return (a-b+llabs(a-b)/F*F+F)%F;}
void upd(ll &a,ll b){a=(a%F+b%F)%F;}
int read()
{
int x=0,f=1; char ch=getchar();
while(!isdigit(ch)) {if (ch==‘-‘) f=-1; ch=getchar();}
while(isdigit(ch)) { x=x*10+ch-‘0‘; ch=getchar();}
return x*f;
}
ll m, n;
int b[100][100];
ll f[56];
void go(int l,int r){
Fork(i,l,r)
Fork(j,i+1,r)
b[i][j]=1;
Fork(i,l,r) b[i][n]=1;
}
int p2[55];
int c[100][100];
int main()
{
freopen("B.in","r",stdin);
freopen("b.out","w",stdout);
f[0]=0;
f[1]=f[2]=1;
Fork(i,3,50) f[i]=f[i-1]*2LL;
p2[0]=1;
For(i,50) p2[i]=p2[i-1]*2ll;
int T=read();
For(kcase,T) {
printf("Case #%d: ",kcase);
cin>>n>>m;
if (m>f[n]) {puts("IMPOSSIBLE");
continue;
}
puts("POSSIBLE");
MEM(b)
go(2,n);
ll t=f[n];
Fork(i,2,n){
if (t-f[n-i+1]>=m) {
t-=f[n-i+1];
}else b[1][i]=1;
if (!t) break;
}
For(i,n) Fork(j,i,n) b[j][i]=0;
memcpy(c,b,sizeof(b));
For(k,n)
For(i,n) For(j,n)
c[i][j]=c[i][j]+c[i][k]*c[k][j];
For(i,n){
For(j,n) if (b[i][j]&&i<j) putchar(‘1‘); else putchar(‘0‘);puts("");
}
// cout<<c[1][n]<<endl;
}
return 0;
}
C. Fashion Police
时间: 2024-10-14 02:03:15