Submission #301230

#TimeUsernameProblemLanguageResultExecution timeMemory
301230phillipCoins (IOI17_coins)C++14
0 / 100
9 ms1516 KiB
#include "coins.h" #include <bits/stdc++.h> #define ll long long using namespace std; int dif(string s1,string s2) { int dd=0; for(int i=0;i<3;i++)if(s1!=s2)dd++; return dd; } vector<int> coin_flips(vector<int> b, int c) { string ac[4]={"000","111","101","010"}; vector<int> flips; string s=""; for(int i=0;i<3;i++)s+=char(b[i]+'0'); int cur=0; if(c<2) { if(c>0)cur+=2; string s1=ac[cur],s2=ac[cur+1]; if(s==s1||s==s2) { flips.push_back(9); return flips; } string comp; if(dif(s,s1)==1)comp=s1; else comp=s2; for(int i=0;i<3;i++) { if(s[i]!=comp[i])flips.push_back(i); } return flips; } vector<int>v; if(s==ac[0]||s==ac[1]||s==ac[2]||s==ac[3])v.push_back(2); else v.push_back(9); return v; } int find_coin(vector<int> b) { int ret=0; string ac[4]={"000","111","101","010"}; string s=""; for(int i=0;i<3;i++)s+=char(b[i]+'0'); if(s==ac[0]||s==ac[1])return 0; else if(s==ac[2]||s==ac[3])return 1; return 2; }

Compilation message (stderr)

coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:43:9: warning: unused variable 'ret' [-Wunused-variable]
   43 |     int ret=0;
      |         ^~~
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