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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#488896 | #8819. CNOI Knowledge | xinhaowen | TL | 0ms | 0kb | C++14 | 1.5kb | 2024-07-24 16:10:42 | 2024-07-24 16:10:43 |
answer
#include<cstdio>
#include<algorithm>
#include<unordered_map>
//#define getchar getchar_unlocked
//#define putchar putchar_unlocked
template<typename T>void read(T &x){
x=0;bool f=0;char ch=getchar();
for(;ch<'0'||ch>'9';ch=getchar())if(ch=='-')f=1;
for(;ch>='0'&&ch<='9';ch=getchar())x=(x<<1)+(x<<3)+(ch^48);
if(f)x=-x;
}
void write(char x){putchar(x);}
template<typename T>void write(T x){
if(x<0)putchar('-'),x=-x;
char stk[24];int cnt=0;
do stk[++cnt]=x%10+48,x/=10;while(x);
for(;cnt;)putchar(stk[cnt--]);
}
template<typename T,typename ...Args>void read(T &x,Args &...args){read(x);read(args...);}
template<typename T,typename ...Args>void write(T x,Args ...args){write(x);write(args...);}
template<typename T>T min(T x,T y){return x<y?x:y;}
template<typename T>T max(T x,T y){return x>y?x:y;}
int n,last[1004],tot,a[1004],sum[1004];unsigned long long jk;
std::unordered_map<unsigned long long,int>mp;
signed main(){
read(n);
for(int i=1;i<=n;++i){
int l=1,r=i-1,jk=0;
for(;l<=r;){
int mid=(l+r)>>1;
write('?',' ',mid,' ',i,'\n');fflush(stdout);
int tmp,op=a[mid];read(tmp);
if(tmp-op==i-mid+1)r=mid-1;
else jk=mid,l=mid+1;
}
jk?last[i]=last[jk]:last[i]=++tot;
jk=0;
for(int j=i;j;--i)jk=jk*19491001+last[j],sum[mp[jk]+1]++,sum[j+1]--,mp[jk]=j;
for(int j=1;j<=i;++j)sum[j]+=sum[j-1];
for(int j=1;j<=i;++j)a[j]+=sum[j],sum[j]=0;
}
write('!',' ');
for(int i=1;i<=n;++i)write(last[i],' ');
fflush(stdout);
return 0;
}
詳細信息
Test #1:
score: 0
Time Limit Exceeded
input:
12