Submission #386968

#	Time	Username	Problem	Language	Result	Execution time	Memory
386968		victoriad	Coins (IOI17_coins)	C++14	0 / 100	12 ms	1456 KiB

coins

#include "coins.h"
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
    vector<int>co;
    int val=0;
   for(int i=0;i<64;i++){
       if(b[i]==1)val^i;
   }
   co.push_back(val^c);
    return co;
}


int find_coin(vector<int> b) {
    int val=0;
   for(int i=0;i<64;i++){
       if(b[i]==1)val^i;
   }
   return val;
    
}

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:7:22: warning: statement has no effect [-Wunused-value]
    7 |        if(b[i]==1)val^i;
      |                   ~~~^~
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:17:22: warning: statement has no effect [-Wunused-value]
   17 |        if(b[i]==1)val^i;
      |                   ~~~^~

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