// Przykładowe (błędne) rozwiązanie - każdy węzeł wysyła węzłowi o numerze 0
// pierwszą z cen swoich akcji. Węzeł 0 wypisuje sumę tych liczb.
#include "message.h"
#include "dzialka.h"
#include <iostream>
#include <cmath>
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <bitset>
#include <cassert>
using namespace std;
int L[76000],R[76000],totm,n,m,myid,M,head,N;
int s[76000],where[76000];
long long sum;
/* return 30000;
}
int GetFieldWidth() {
return 40000;
}
int IsUsableCell(int x, int y) {
return ((long long )x*3454677^y)%1000000007%100!=0;
}*/
int Lborder[10000],Uborder[10000];
int main() {
totm=NumberOfNodes();
N=GetFieldHeight();
M=GetFieldWidth();
myid=MyNodeId();
int n=N/totm;
int m=M/totm;
for (int i=0;i<totm;i++){
if (i<M%totm) Lborder[i+1]=m+1; else Lborder[i+1]=m;
if (i<N%totm) Uborder[i+1]=n+1; else Uborder[i+1]=n;
}
for (int i=1;i<=totm;i++){
Lborder[i]+=Lborder[i-1]; Uborder[i]+=Uborder[i-1];
}
n=Uborder[myid+1]-Uborder[myid];
m=Lborder[myid+1]-Lborder[myid];
//cout<<"fa "<<myid<<" "<<n<<" "<<m<<" "<<N<<" "<<M<<" "<<Lborder[myid]<<" "<<Uborder[myid]<<endl;
int now=0;
for (int i=0;i<M;i++){
while (now<totm&&i==Lborder[now]){
for (int j=0;j<n;j++){
PutInt(now,L[j]);
}
Send(now);
now++;
}
for (int j=0;j<n;j++){
int x=Uborder[myid]+j;
int y=i;
if (IsUsableCell(x,y)) L[j]++; else L[j]=0;
}
//cout<<"fa "<<myid<<" "<<i<<endl;
//for (int j=0;j<n;j++) cout<<L[j]<<" "; cout<<endl;
}
//cout<<"end "<<myid<<endl;
while (now<totm&&M==Lborder[now]){
for (int j=0;j<n;j++){
PutInt(now,L[j]);
}
Send(now);
now++;
}
for (int i=0;i<totm;i++){
Receive(i);
for (int j=Uborder[i];j<Uborder[i+1];j++)
L[j+1]=GetInt(i);
}
//cout<<"myid "<<myid<<endl;
//for (int i=1;i<=N;i++) cout<<L[i]<<" "; cout<<endl;
//cout<<"end2 "<<myid<<endl;
long long ans=0;
for (int now=1;now<=m;now++){
for (int i=1;i<=N;i++)
if (IsUsableCell(i-1,now-1+Lborder[myid])==0){
// cout<<"forbid "<<i-1<<" "<<now-1+Lborder[myid]<<endl;
L[i]=0;
} else L[i]++;
head=0; s[0]=0; where[0]=0;
sum=0;
//cout<<"calc "<<myid<<" "<<now<<endl;
//cout<<"asd "<<myid<<" "<<now<<endl;
//for (int i=1;i<=N;i++) cout<<L[i]<<" "; cout<<endl;
for (int i=1;i<=N;i++){
while (head&&s[head]>=L[i]){
sum-=1ll*(where[head]-where[head-1])*s[head];
head--;
}
head++; s[head]=L[i]; where[head]=i;
sum+=1ll*(where[head]-where[head-1])*s[head];
ans+=sum;
// cout<<"calc "<<myid<<" "<<i<<" "<<now<<" "<<ans<<endl;
// for (int j=1;j<=head;j++) cout<<where[j]<<" "<<s[j]<<endl;
}
}
if (myid==totm-1){
for (int i=0;i<myid;i++){
Receive(i);
ans+=GetLL(i);
}
cout<<ans<<endl;
} else {
PutLL(totm-1,ans);
Send(totm-1);
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | // Przykładowe (błędne) rozwiązanie - każdy węzeł wysyła węzłowi o numerze 0 // pierwszą z cen swoich akcji. Węzeł 0 wypisuje sumę tych liczb. #include "message.h" #include "dzialka.h" #include <iostream> #include <cmath> #include <cstring> #include <cstdio> #include <algorithm> #include <bitset> #include <cassert> using namespace std; int L[76000],R[76000],totm,n,m,myid,M,head,N; int s[76000],where[76000]; long long sum; /* return 30000; } int GetFieldWidth() { return 40000; } int IsUsableCell(int x, int y) { return ((long long )x*3454677^y)%1000000007%100!=0; }*/ int Lborder[10000],Uborder[10000]; int main() { totm=NumberOfNodes(); N=GetFieldHeight(); M=GetFieldWidth(); myid=MyNodeId(); int n=N/totm; int m=M/totm; for (int i=0;i<totm;i++){ if (i<M%totm) Lborder[i+1]=m+1; else Lborder[i+1]=m; if (i<N%totm) Uborder[i+1]=n+1; else Uborder[i+1]=n; } for (int i=1;i<=totm;i++){ Lborder[i]+=Lborder[i-1]; Uborder[i]+=Uborder[i-1]; } n=Uborder[myid+1]-Uborder[myid]; m=Lborder[myid+1]-Lborder[myid]; //cout<<"fa "<<myid<<" "<<n<<" "<<m<<" "<<N<<" "<<M<<" "<<Lborder[myid]<<" "<<Uborder[myid]<<endl; int now=0; for (int i=0;i<M;i++){ while (now<totm&&i==Lborder[now]){ for (int j=0;j<n;j++){ PutInt(now,L[j]); } Send(now); now++; } for (int j=0;j<n;j++){ int x=Uborder[myid]+j; int y=i; if (IsUsableCell(x,y)) L[j]++; else L[j]=0; } //cout<<"fa "<<myid<<" "<<i<<endl; //for (int j=0;j<n;j++) cout<<L[j]<<" "; cout<<endl; } //cout<<"end "<<myid<<endl; while (now<totm&&M==Lborder[now]){ for (int j=0;j<n;j++){ PutInt(now,L[j]); } Send(now); now++; } for (int i=0;i<totm;i++){ Receive(i); for (int j=Uborder[i];j<Uborder[i+1];j++) L[j+1]=GetInt(i); } //cout<<"myid "<<myid<<endl; //for (int i=1;i<=N;i++) cout<<L[i]<<" "; cout<<endl; //cout<<"end2 "<<myid<<endl; long long ans=0; for (int now=1;now<=m;now++){ for (int i=1;i<=N;i++) if (IsUsableCell(i-1,now-1+Lborder[myid])==0){ // cout<<"forbid "<<i-1<<" "<<now-1+Lborder[myid]<<endl; L[i]=0; } else L[i]++; head=0; s[0]=0; where[0]=0; sum=0; //cout<<"calc "<<myid<<" "<<now<<endl; //cout<<"asd "<<myid<<" "<<now<<endl; //for (int i=1;i<=N;i++) cout<<L[i]<<" "; cout<<endl; for (int i=1;i<=N;i++){ while (head&&s[head]>=L[i]){ sum-=1ll*(where[head]-where[head-1])*s[head]; head--; } head++; s[head]=L[i]; where[head]=i; sum+=1ll*(where[head]-where[head-1])*s[head]; ans+=sum; // cout<<"calc "<<myid<<" "<<i<<" "<<now<<" "<<ans<<endl; // for (int j=1;j<=head;j++) cout<<where[j]<<" "<<s[j]<<endl; } } if (myid==totm-1){ for (int i=0;i<myid;i++){ Receive(i); ans+=GetLL(i); } cout<<ans<<endl; } else { PutLL(totm-1,ans); Send(totm-1); } return 0; } |
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