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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#507310 | #4852. Restorani | _scz_ | TL | 0ms | 0kb | C++14 | 3.5kb | 2024-08-06 15:51:49 | 2024-08-06 15:51:49 |
answer
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<queue>
#include<bitset>
#define boo(i) bitset<i>
#define ri register int
#define rll register long long
#define ll long long
#define mem(x) memset(x,0,sizeof(x))
#define max_(i,j) (i<j?j:i)
#define min_(i,j) (i<j?i:j)
#define abs_(x) (x>0?x:(-x))
using namespace std;
int n,ku;
const int MAXN=1125;
boo(MAXN) hv;
int dfn[MAXN],low[MAXN],bel[MAXN],dfl;int sta[MAXN],l;
int dp[1505][1511],minn[1524];
int x[MAXN],y[MAXN],dt[MAXN];
bitset<MAXN>ed[MAXN];//ed original
bitset<MAXN>ed2[MAXN],ed3[MAXN];//ed2 old,ed3 new
vector<int>np[MAXN];
struct sd{
void tarj(int x){
dfn[x]=low[x]=++dfl;
sta[++l]=x;
hv[x]=true;
for(int i=1;i<=n;i++){
if(ed2[x][i]){
if(!dfn[i]){
tarj(i);
low[x]=min(low[x],low[i]);
}else{
if(hv[i]){
low[x]=min(low[x],dfn[i]);
}
}
}
}
if(low[x]==dfn[x]){
ku++;int t;
do{
t=sta[l];
hv[t]=false;
bel[t]=ku;
l--;
}while(t!=x);
}
}
void did(){
for(int i=1;i<=n;i++){
if(!dfn[i]){
tarj(i);
}
}
for(int i=1;i<=n;i++){
//printf("%d ",bel[i]);
np[bel[i]].push_back(i);
}
}
}scz;
struct poi{
int x,y;
};
bool operator<(const poi& a,const poi& b){
return a.y<b.y;
}
struct final{
poi b[MAXN];
void mian(){
bitset<MAXN>t;
for(int i=2;i<=n;i++){
for(int j=1;j<=n;j++){
b[j]=(poi){j,dp[i-1][j]};
}
sort(b+1,b+1+n);
hv.set();
for(int j=1;j<=n;j++){
t=ed3[b[j].x]&hv;
for(int ch=1;ch<=n;ch++){
if(!t[ch])continue;
dp[i][ch]=min(dp[i][ch],b[j].y+dt[ch]);
hv[ch]=false;
}
}
}
}
}wjr;
void dfs(int x){
//printf("%d\n",x);
bitset<MAXN>t=ed[x]&hv;
for(int i=1;i<=n;i++){
if(t[i]){hv[i]=false;
}
}
for(int i=1;i<=n;i++){
// printf("go %d %d",x,i);
if(t[i])dfs(i);
}
}
bool cmp(int a,int b){
return x[a]<x[b];
}
int main(){
scanf("%d",&n);
for(int i=1,tt;i<=n;i++){
scanf("%d%d%d",&x[i],&y[i],&tt);
for(int j=1,ttt;j<=tt;j++){
scanf("%d",&ttt);
ed[i][ttt]=true;
}
}
for(int i=1;i<=n;i++){
hv.set();
hv[i]=false;
dfs(i);
for(int j=1;j<=n;j++){
if(i==j)continue;
ed2[i][j]=!hv[j];
int t=ed2[i][j];//printf("%d %d %d\n",i,j,t);
}
}
int hav,ans;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
dp[i][j]=1e9+7;
}
}
hv.reset();scz.did();
for(int i=1;i<=n;i++){//add new edge
for(int j=1;j<=n;j++){
if(ed2[i][j]&&bel[i]!=bel[j]&&np[bel[j]][0]==j){
ed3[i][j]=true;
//printf("%d %d\n",i,j);
}
}
}
for(int i=1;i<=ku;i++){//solve np val
sort(np[i].begin(),np[i].end(),cmp);
for(int j=1;j<=n;j++){
minn[j]=1e9+7;
}
for(int j=0;j<np[i].size();j++){
ans=y[np[i][j]];
hav=1;
minn[1]=min(minn[1],y[np[i][j]]);
for(int k=0;k<np[i].size();k++){
if(j!=k){
hav++;
ans+=x[np[i][k]];
minn[hav]=min(minn[hav],ans);
//printf("%d %d\n",hav,minn[hav]);
}
}
}
for(int j=1;j<=np[i].size();j++){
dt[np[i][j-1]]=minn[j]-minn[j-1];
if(j>1)ed3[np[i][j-2]][np[i][j-1]]=true;
}
}
for(int i=1;i<=n;i++){
if(np[bel[i]][0]==i){
dp[1][i]=dt[i];
}
// printf("%d ",dt[i]);
}
for(int i=1;i<=n;i++){
minn[i]=1e9+7;
}
wjr.mian();
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
minn[i]=min(minn[i],dp[i][j]);
}
}
for(int i=1;i<=n;i++){
if(minn[i]<1e9){
printf("%d\n",minn[i]);
}
}
}
//码量大得恶心
Details
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Test #1:
score: 0
Time Limit Exceeded
input:
1000 2856 4225 9 773 772 383 359 750 327 752 465 612 5478 5990 6 452 449 938 60 930 374 2088 2765 3 703 416 845 8905 1853 3 891 518 651 8249 9640 5 844 126 767 602 549 8956 9158 5 321 126 633 228 147 115 559 10 996 649 568 530 473 268 457 746 815 758 7208 9975 8 164 365 391 481 821 587 964 118 2260 ...