Submission #1219103

#TimeUsernameProblemLanguageResultExecution timeMemory
1219103LM1Coins (IOI17_coins)C++20
0 / 100
2 ms584 KiB
#include<bits/stdc++.h> using namespace std; #define ll long long #define pii pair<int,int> #define ff first #define ss second #define pb push_back #define vi vector<int> #define fr(i,ii,iii) for(int i=ii;i<iii;i++) #include "coins.h" using namespace std; std::vector<int> coin_flips(std::vector<int> b, int c) { std::vector<int> flips; fr(i,0,8){ if(c&(1<<i)){ if(b[i]==0){ flips.pb(i); } } else{ if(b[i]==1){ flips.pb(i); } } } return flips; } int find_coin(std::vector<int> b) { int ans=0; fr(i,0,8){ if(b[i])ans+=(1<<i); } return ans; } //static string run_test() { // int c; // cin >> c; // vector<int> b(64); // for (int i = 0; i < 8; i++) { // string s; // cin >> s; // for (int j = 0; j < 8; j++) { // b[i * 8 + j] = int(s[j] - '0'); // } // } // vector<int> flips = coin_flips(b, c); // if ((int)flips.size() == 0) { // return "0 turn overs"; // } // for (int i = 0; i < (int)flips.size(); i++) { // if (flips[i] < 0 || flips[i] > 63) { // return "cell number out of range"; // } // b[flips[i]] = 1 - b[flips[i]]; // } // int coin = find_coin(b); // if (coin != c) { // return "wrong coin"; // } // return "ok"; //} // //int main() { // int tests; // cin >> tests; // for (int t = 1; t <= tests; t++) { // string result = run_test(); // cout << "test #" << t << ": " << result << endl; // } // return 0; //}
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