Submission #837664

#TimeUsernameProblemLanguageResultExecution timeMemory
837664YassirSalamaCave (IOI13_cave)C++17
12 / 100
10 ms428 KiB
#include "cave.h" #include<bits/stdc++.h> using namespace std; #define OVL(x,s) for(auto y:x) cout<<y<<s; cout<<"\n"; void dbg_out() { cout << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cout << ' ' << H; dbg_out(T...); } #define dbg(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__); #define endl "\n" #define pb push_back #define F first #define S second #define ll long long #define mod 1000000007 #define all(v) v.begin(),v.end() //subtask3 // void exploreCave(int N) { // int n=N; // int arr[N],ans[N]; // for(int i=0;i<n;i++) arr[i]=0; // bool visited[N]; // memset(visited,false,sizeof(visited)); // int x=tryCombination(arr); // dbg(x); // for(int j=0;j<n;j++) cout<<arr[j]<<" "; // cout<<endl; // for(int i=0;i<n;i++){ // arr[i]=1; // int x=tryCombination(arr); // dbg(i,x); // for( j=0;j<n;j++) cout<<arr[j]<<" "; // cout<<endl; // arr[i]=0; // } // for(int i=0;i<n;i++){ //first find 0 // int narr[n]; // for(int j=0;j<n;j++) narr[j]=arr[j]; // int x=tryCombination(narr); // if(x==-1) break; // for(int j=0;j<n;j++){ // if(visited[j]) continue; // narr[j]=1; // int x=tryCombination(narr); // narr[j]=0; // int x2=tryCombination(narr); // if((x==i&&x2!=i)||(x!=i&&x2==i)){ // visited[j]=true; // if(x==i&&x2!=i){ // arr[j]=0; // continue; // }else{ // arr[j]=1; // continue; // } // } // } // } // memset(ans,0,sizeof(ans)); // for(int i=0;i<n;i++){ // int narr[n]; // for(int j=0;j<n;j++) narr[j]=arr[j]; // narr[i]^=1; // ans[i]=tryCombination(narr); // } // answer(arr,ans); // } //subtask1 void exploreCave(int N) { int n=N; int arr[N]; memset(arr,0,sizeof(arr)); for(int i=0;i<n;i++){ arr[i]=1; int x=tryCombination(arr); if(x==i) { arr[i]=0; } else continue; } int ans[N]; for(int i=0;i<n;i++) ans[i]=i; answer(arr,ans); } //subtask 2 // void exploreCave(int N) { // /* ... */ // int n=N; // int arr[N]; // memset(arr,0,sizeof(arr)); // int ans[N]; // for(int i=0;i<n;i++){ // arr[i]=1; // int x=tryCombination(arr); // ans[i]=x; // arr[i]=0; // } // answer(arr,ans); // } #ifdef IOI #include <stdio.h> #include <stdlib.h> #include "cave.h" #define MAX_N 5000 #define MAX_CALLS 70000 #define fail(s, x...) do { \ fprintf(stderr, s "\n", ## x); \ exit(1); \ } while(0) #define N koala #define realS kangaroo #define realD possum #define inv platypus #define num_calls echidna static int N; static int realS[MAX_N]; static int realD[MAX_N]; static int inv[MAX_N]; static int num_calls; void answer(int S[], int D[]) { int i; int correct = 1; for (i = 0; i < N; ++i) if (S[i] != realS[i] || D[i] != realD[i]) { correct = 0; break; } if (correct) printf("CORRECT\n"); else printf("INCORRECT\n"); for (i = 0; i < N; ++i) { if (i > 0) printf(" "); printf("%d", S[i]); } printf("\n"); for (i = 0; i < N; ++i) { if (i > 0) printf(" "); printf("%d", D[i]); } printf("\n"); exit(0); } int tryCombination(int S[]) { int i; if (num_calls >= MAX_CALLS) { printf("INCORRECT\nToo many calls to tryCombination().\n"); exit(0); } ++num_calls; for (i = 0; i < N; ++i) if (S[inv[i]] != realS[inv[i]]) return i; return -1; } int init() { int i, res; FILE *f = fopen("C:/Users/gss/inputf.in", "r"); if (!f) fail("Failed to open input file."); res = fscanf(f, "%d", &N); for (i = 0; i < N; ++i) { res = fscanf(f, "%d", &realS[i]); } for (i = 0; i < N; ++i) { res = fscanf(f, "%d", &realD[i]); inv[realD[i]] = i; } num_calls = 0; return N; } signed main(){ int N; N = init(); exploreCave(N); printf("INCORRECT\nYour solution did not call answer().\n"); return 0; } #endif
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