oj.uz

Submission #40493

# Submission time Handle Problem Language Result Execution time Memory
40493 2018-02-02T13:54:44 Z igzi Tropical Garden (IOI11_garden) C++14
69 / 100
 5000 ms 35320 KB 
#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>
#define maxN 150005
#define INF LLONG_MAX
#define INT 1000000001

using namespace std;

vector <int> adj[maxN];
long long N,P,s,i,dis[2][maxN],k[2][maxN],c[2];
bool mar[maxN];

long long dfs(int n,int d){
long long y;
if(d>2*N) return INT;
if(adj[n].size()>0 && (adj[n][0]!=s || adj[n].size()==1)) {if(dis[0][n]!=INF) return dis[0][n];}
else {if(dis[1][n]!=INF) return dis[1][n];}
if(adj[n].size()>0 && (adj[n][0]!=s || adj[n].size()==1)) y=adj[n][0];
else y=adj[n][1];
if(adj[n][0]!=s || adj[n].size()==1) {
s=n;
dis[0][n]=dfs(y,d+1)+1;
if(n==adj[y][0]) k[0][n]=k[1][y];
else k[0][n]=k[0][y];
if(adj[n].size()==1){
    k[1][n]=k[0][n];
    dis[1][n]=dis[0][n];
}
return dis[0][n];}
else {
s=n;
dis[1][n]=dfs(y,d+1)+1;
if(n==adj[y][0]) k[1][n]=k[1][y];
else k[1][n]=k[0][y];
return dis[1][n];}
}
long long period(int x,int d){
if(d>3*N) return INF;
int y;
if(adj[x].size()>0 && (adj[x][0]!=s || adj[x].size()==1)) y=adj[x][0];
else y=adj[x][1];
if(y==P) {
if(x==adj[P][0]) {if(c[0]==-5) c[0]=1; else c[1]=1;}
else {if(c[0]==-5) c[0]=0; else c[1]=0;}
return d+1;
}
s=x;
return period(y,d+1);
}

void count_routes(int n,int m,int p,int r[][2],int q,int g[]){
N=n;
P=p;
for(i=0;i<m;i++){
    adj[r[i][0]].push_back(r[i][1]);
    adj[r[i][1]].push_back(r[i][0]);
}
for(i=0;i<n;i++){
    dis[0][i]=dis[1][i]=INF;
}
dis[0][p]=0;
dis[1][p]=0;
k[0][p]=0;
k[1][p]=1;
for(i=0;i<n;i++){
s=-5;
dis[0][i]=dfs(i,0);
s=adj[i][0];
dis[1][i]=dfs(i,0);
}
long long t1,t2;
s=-5;
c[0]=-5;
t1=period(p,0);
if(adj[p].size()>0) {
    s=adj[p][0];
    t2=period(p,0);
}
else t2=INF;
for(i=0;i<q;i++){
    long long ans=0;
    for(int j=0;j<n;j++){
        if(k[0][j]==0 && dis[0][j]<=g[i]){
            if(dis[0][j]==g[i]) {ans++; continue;}
            if(c[0]==0){
            if(t1!=INF && (g[i]-dis[0][j])%t1==0) {ans++; continue;}}
            else{
                if(c[1]==1){
                if((g[i]-dis[0][j]-t1)%t2==0) {ans++; continue;}}
                else{
                    if(t1!=INF && t2!=INF){
                    if((g[i]-dis[0][j])%(t1+t2)==0 || (g[i]-dis[0][j])%(t1+t2)==t1) {ans++; continue;}}
                }
            }
        }
        if(k[0][j]==1 && dis[0][j]<=g[i]){
            if(dis[0][j]==g[i]) {ans++; continue;}
            if(c[1]==1){
            if(t2!=INF && (g[i]-dis[0][j])%t2==0) {ans++; continue;}}
            else{
                if(c[0]==0){
                if((g[i]-dis[0][j]-t2)%t1==0) {ans++; continue;}}
                else{
                    if(t1!=INF && t2!=INF){
                    if((g[i]-dis[0][j])%(t1+t2)==0 || (g[i]-dis[0][j])%(t1+t2)==t2) {ans++; continue;}}
                }
            }
        }
    }
    answer(ans);
}
}

Subtask #1
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4008 KB Output is correct
2 Correct 1 ms 3960 KB Output is correct
3 Correct 6 ms 3960 KB Output is correct
4 Correct 5 ms 3832 KB Output is correct
5 Correct 6 ms 3932 KB Output is correct
6 Correct 5 ms 4192 KB Output is correct
7 Correct 5 ms 3900 KB Output is correct
8 Correct 5 ms 3932 KB Output is correct
9 Correct 13 ms 4188 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4008 KB Output is correct
2 Correct 1 ms 3960 KB Output is correct
3 Correct 6 ms 3960 KB Output is correct
4 Correct 5 ms 3832 KB Output is correct
5 Correct 6 ms 3932 KB Output is correct
6 Correct 5 ms 4192 KB Output is correct
7 Correct 5 ms 3900 KB Output is correct
8 Correct 5 ms 3932 KB Output is correct
9 Correct 13 ms 4188 KB Output is correct
10 Correct 6 ms 3888 KB Output is correct
11 Correct 30 ms 8472 KB Output is correct
12 Correct 59 ms 11640 KB Output is correct
13 Correct 46 ms 20808 KB Output is correct
14 Correct 185 ms 30756 KB Output is correct
15 Correct 112 ms 14012 KB Output is correct
16 Correct 128 ms 22816 KB Output is correct
17 Correct 90 ms 10484 KB Output is correct
18 Correct 52 ms 11524 KB Output is correct
19 Correct 234 ms 30912 KB Output is correct
20 Correct 157 ms 14200 KB Output is correct
21 Correct 128 ms 22984 KB Output is correct
22 Correct 152 ms 10728 KB Output is correct
23 Correct 369 ms 33864 KB Output is correct

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4008 KB Output is correct
2 Correct 1 ms 3960 KB Output is correct
3 Correct 6 ms 3960 KB Output is correct
4 Correct 5 ms 3832 KB Output is correct
5 Correct 6 ms 3932 KB Output is correct
6 Correct 5 ms 4192 KB Output is correct
7 Correct 5 ms 3900 KB Output is correct
8 Correct 5 ms 3932 KB Output is correct
9 Correct 13 ms 4188 KB Output is correct
10 Correct 6 ms 3888 KB Output is correct
11 Correct 30 ms 8472 KB Output is correct
12 Correct 59 ms 11640 KB Output is correct
13 Correct 46 ms 20808 KB Output is correct
14 Correct 185 ms 30756 KB Output is correct
15 Correct 112 ms 14012 KB Output is correct
16 Correct 128 ms 22816 KB Output is correct
17 Correct 90 ms 10484 KB Output is correct
18 Correct 52 ms 11524 KB Output is correct
19 Correct 234 ms 30912 KB Output is correct
20 Correct 157 ms 14200 KB Output is correct
21 Correct 128 ms 22984 KB Output is correct
22 Correct 152 ms 10728 KB Output is correct
23 Correct 369 ms 33864 KB Output is correct
24 Correct 6 ms 3932 KB Output is correct
25 Correct 148 ms 8472 KB Output is correct
26 Correct 164 ms 11620 KB Output is correct
27 Correct 2402 ms 20588 KB Output is correct
28 Correct 1661 ms 32284 KB Output is correct
29 Correct 4041 ms 15624 KB Output is correct
30 Correct 2638 ms 24312 KB Output is correct
31 Correct 2317 ms 12024 KB Output is correct
32 Correct 170 ms 12152 KB Output is correct
33 Correct 1716 ms 32268 KB Output is correct
34 Correct 4022 ms 15616 KB Output is correct
35 Correct 2657 ms 24212 KB Output is correct
36 Correct 2837 ms 12024 KB Output is correct
37 Correct 1264 ms 35320 KB Output is correct
38 Execution timed out 5056 ms 21692 KB Time limit exceeded