Submission #1186952

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186952		North1304	Coins (IOI17_coins)	C++20	25 / 100	5 ms	584 KiB

coins

#include "coins.h"
using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    vector<int> ans;
    for (int i=0;i<8;i++) {
        if ((c&(1<<i))) {
            if (b[i]==0) ans.push_back(i);
        } 
        else if (b[i]==1) ans.push_back(i);
    }
    if (ans.empty()) ans.push_back(8);
    return ans;
}

int find_coin(vector<int> b) {
    int ans = 0;
    for (int i=0;i<8;i++) {
        if (b[i]) ans += 1<<i;
    }
    return ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 10 / 10
• Subtask 4: 15 / 15
• Subtask 5: 0 / 50