| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 985422 | SzymonKrzywda | Cave (IOI13_cave) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
//#include"cave.h"
#include <bits/stdc++.h>
using namespace std;
const int n = 4;
int licznik;
int tryCombination(int S[]){
licznik ++;
//for (int i=0; i<n; i++) cout << S[i] << " ";
//cout << endl;
//sleep(1);
int good[n] = {1,1,1,0};
int good_2[n] = {3,0,1,2};
int mini = 1e7;
for (int i=0; i<n; i++){
if (S[i] != good[i]) {
//cout << good[i] << " " << S[i] << endl;
mini = min(mini,good_2[i]);
}
}
//cout << mini << endl;
if (mini == 1e7) return -1;
return mini;
}
void answer(int S[],int D[]){
for (int i=0; i<n; i++) cout << D[i];
cout << endl;
for (int i=0; i<n; i++) cout << S[i];
cout << endl;
cout << licznik;
}
void exploreCave(int N){
int D[N],S[N],w=0,w_2=0;
for (int i=0; i<N; i++) D[i] = -1;
bool good[N];
//int S_2[N];
// 0 0 0 0 0
// 1 1 1 1 1
// 1 1 1 1 0
//1110
//3102
//for (int i=0; i<N; i++) cout <<"dd";
for (int akt=0; akt<N; akt++){
for (int i=0; i<N; i++) if(D[i] == -1) S[i] = 0;
w = tryCombination(S);
//cout << i << " "<< w << endl;
//if(w==-1) break;
//if (w > i) continue;
int l = 0,r=N-1,mid,key=1;
while (l<r){
if (!(w == -1 || w > akt)){
for (int i=l; i<=r; i++){
if (D[i] == -1) S[i] = (S[i]+1)%2;
}
//w = tryCombination(S);
}
mid = (l+r)/2;
for (int i=l; i<=mid; i++) if (D[i] == -1) S[i] = (S[i]+1)%2;
w = tryCombination(S);
if (w == akt){
r = mid;
key = (S[l]+1)%2;
}
else{
l = mid+1;
key = S[l];
}
}
D[l] = akt;
S[l] = key;
//cout << S[l];
/*
for (int j=0; j<N; j++){
S[j] = (S[j]+1)%2;
w_2 = tryCombination(S);
if (w_2 == i){
D[j] = i;
S[j] = (S[j]+1)%2;
break;
}
S[j] = (S[j]+1%2);
}*/
}
/*
for (int i=0; i<N; i++){
S[i] = (S[i]+1)%2;
D[i] = tryCombination(S);
S[i] = (S[i]+1)%2;*/
answer(S,D);
/*
int S_1[N];
int S_2[N];
for (int i=0; i<N; i++) S_2[i] = 1;
bool good[N];
int do_zmiany[N];
for (int i=0; i<N; i++) do_zmiany[i] = -1;
int w = 0,akt=0,w_2=0,ktory=0;
while (w != -1){
if (akt == 0){
w = tryCombination(S_1);
if (w == -1){
ktory = 0;
break;
}
for (int i=0; i<N; i++){
if (!good[i]){
S_1[i] = 1;
w_2 = tryCombination(S_1);
if (w_2 == -1){
w = -1;
ktory = 0;
break;
}
if (w_2 < w){
S_2[i] = 0;
S_1[i] = 0;
good[i] = true;
D[i] = w_2;
w = tryCombination(S_1);
}
else if(w_2 > w){
good[i] = true;
D[i] = w;
w = w_2;
}
else S_1[i] = 0;
}
}
}
else{
w = tryCombination(S_2);
if (w == -1){
ktory = 1;
break;
}
for (int i=0; i<N; i++){
if (!good[i]){
S_2[i] = 0;
w_2 = tryCombination(S_2);
if (w_2 == -1){
w = -1;
ktory = 1;
break;
}
if (w_2 < w){
S_2[i] = 1;
S_1[i] = 1;
good[i] = true;
D[i] = w_2;
w = tryCombination(S_2);
}
else if(w_2 > w){
good[i] = true;
D[i] = w;
w = w_2;
}
else S_2[i] = 1;
}
}
}
akt = (akt+1)%2;
//cout << good[0] << endl;
//cout << w << endl;
//cout << "GOOD: ";
//for (int i=0; i<N; i++) cout << good[i] << " ";
//cout << endl;
}
if (ktory == 0){
for (int i=0; i<N; i++){
S_1[i] = (S_1[i]+1)%2;
if (!good[i]){
D[i] = tryCombination(S_1);
}
S_1[i] = (S_1[i]+1)%2;
}
answer(S_1,D);
}
else{
for (int i=0; i<N; i++){
S_2[i] = (S_2[i]+1)%2;
if (!good[i]){
D[i] = tryCombination(S_2);
}
S_2[i] = (S_2[i]+1)%2;
}
answer(S_2,D);
}
*/
}