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QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #456411 | #1282. Necklace | ttpeter | Compile Error | / | / | C++14 | 2.5kb | 2024-06-27 21:47:34 | 2024-06-27 21:47:35 |
Judging History
answer
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<queue>
#include<stack>
#include<map>
using namespace std;
#define LL __int64
#define pii pair<int,int>
#define Max(a,b) ((a)>(b)?(a):(b))
#define Min(a,b) ((a)<(b)?(a):(b))
#define mem(a,b) memset(a,b,sizeof(a))
#define lson l,mid,rt<<1
#define rson mid+1,r,rt<<1|1
const int N=210,INF=0x3f3f3f3f,MOD=10000,STA=8000010;
const LL LNF=0x3f3f3f3f3f3f3f3f;
const double DNF=1e13;
LL a[N],m[N];
int num[N][N],A[N][N],D[N][N],vis[N],vis2[N];
int n,p;
void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
{
if(!b){d=a;x=1;y=0;}
else {exgcd(b,a%b,d,y,x);y-=x*(a/b);}
}
LL Modline(int n)
{
LL d,x,y,A,M,Mod;
A=a[n-1],M=m[n-1];
n--;
while(n--){
exgcd(M,m[n],d,x,y);
if((A-a[n])%d!=0){
return -1;
}
Mod=m[n]/d;
x=(x*((a[n]-A)/d)%Mod+Mod)%Mod;
A+=M*x;
M=M/d*m[n];
}
return A;
}
int find(int T[],int C[])
{
int i,j,u,cnt=0,d,l,t,ok;
mem(vis,0);
for(i=0;i<n;i++){
if(!vis[i]){
l=-1,d=0;u=i;
while(!vis[u]){
vis[u]=1;
mem(vis2,0);
for(t=ok=0,j=u;!vis2[j];t++,j=T[j]){
vis2[j]=1;
if(j==C[u]){ok=1;break;}
}
if(l==-1)l=t;
if(!ok || l!=t)return 0;
u=C[u];
d++;
}
a[cnt]=l,m[cnt++]=d;
}
}
return cnt;
}
int main()
{
// freopen("in.txt","r",stdin);
int i,j;
LL ans,x,t;
while(~scanf("%d%d",&n,&p))
{
for(i=0;i<n;i++){
for(j=0;j<p;j++){
scanf("%d",&num[j][i]);
num[j][i]--;
}
}
for(i=0;i<n;i++)A[0][i]=num[0][i];
for(i=1;i<p;i++){
for(j=0;j<n;j++){
A[i][j]=num[i][A[i-1][j]];
}
}
for(i=0;i<p;i++){
for(j=0;j<n;j++){
D[i][A[i][j]]=j;
}
}
ans=LNF;
for(i=0;i<p;i++){
if(t=find(A[p-1],D[i])){
if((x=Modline(t))!=-1){
ans=Min(ans,x*p+i+1);
if(ans>=1e9){ans=LNF;break;}
}
}
}
if(ans!=LNF)printf("%I64d\n",ans);
else printf("No one knows.\n");
}
return 0;
}
详细
answer.code:14:12: error: ‘__int64’ does not name a type; did you mean ‘__int64_t’?
14 | #define LL __int64
| ^~~~~~~
answer.code:22:7: note: in expansion of macro ‘LL’
22 | const LL LNF=0x3f3f3f3f3f3f3f3f;
| ^~
answer.code:14:12: error: ‘__int64’ does not name a type; did you mean ‘__int64_t’?
14 | #define LL __int64
| ^~~~~~~
answer.code:25:1: note: in expansion of macro ‘LL’
25 | LL a[N],m[N];
| ^~
answer.code:29:6: error: variable or field ‘exgcd’ declared void
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^~~~~
answer.code:14:12: error: ‘__int64’ was not declared in this scope; did you mean ‘__ynf64’?
14 | #define LL __int64
| ^~~~~~~
answer.code:29:12: note: in expansion of macro ‘LL’
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^~
answer.code:14:12: error: ‘__int64’ was not declared in this scope; did you mean ‘__ynf64’?
14 | #define LL __int64
| ^~~~~~~
answer.code:29:17: note: in expansion of macro ‘LL’
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^~
answer.code:14:12: error: ‘__int64’ was not declared in this scope; did you mean ‘__ynf64’?
14 | #define LL __int64
| ^~~~~~~
answer.code:29:22: note: in expansion of macro ‘LL’
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^~
answer.code:29:26: error: ‘d’ was not declared in this scope
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^
answer.code:14:12: error: ‘__int64’ was not declared in this scope; did you mean ‘__ynf64’?
14 | #define LL __int64
| ^~~~~~~
answer.code:29:28: note: in expansion of macro ‘LL’
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^~
answer.code:29:32: error: ‘x’ was not declared in this scope
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^
answer.code:14:12: error: ‘__int64’ was not declared in this scope; did you mean ‘__ynf64’?
14 | #define LL __int64
| ^~~~~~~
answer.code:29:34: note: in expansion of macro ‘LL’
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^~
answer.code:29:38: error: ‘y’ was not declared in this scope; did you mean ‘yn’?
29 | void exgcd(LL a,LL b,LL& d,LL& x,LL& y)
| ^
| yn
answer.code:14:12: error: ‘__int64’ does not name a type; did you mean ‘__int64_t’?
14 | #define LL __int64
| ^~~~~~~
answer.code:35:1: note: in expansion of macro ‘LL’
35 | LL Modline(int n)
| ^~
answer.code: In function ‘int find(int*, int*)’:
answer.code:72:13: error: ‘a’ was not declared in this scope
72 | a[cnt]=l,m[cnt++]=d;
| ^
answer.code:72:22: error: ‘m’ was not declared in this scope
72 | a[cnt]=l,m[cnt++]=d;
| ^
answer.code: In function ‘int main()’:
answer.code:14:12: error: ‘__int64’ was not declared in this scope; did you mean ‘__ynf64’?
14 | #define LL __int64
| ^~~~~~~
answer.code:82:5: note: in expansion of macro ‘LL’
82 | LL ans,x,t;
| ^~
answer.code:103:9: error: ‘ans’ was not declared in this scope; did you mean ‘abs’?
103 | ans=LNF;
| ^~~
| abs
answer.code:103:13: error: ‘LNF’ was not declared in this scope; did you mean ‘INF’?
103 | ans=LNF;
| ^~~
| INF
answer.code:105:16: error: ‘t’ was not declared in this scope
105 | if(t=find(A[p-1],D[i])){
| ^
answer.code:106:21: error: ‘x’ was not declared in this scope
106 | if((x=Modline(t))!=-1){
| ^
answer.code:106:23: error: ‘Modline’ was not declared in this scope
106 | if((x=Modline(t))!=-1){
| ^~~~~~~
answer.code:87:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
87 | scanf("%d",&num[j][i]);
| ~~~~~^~~~~~~~~~~~~~~~~