제출 #386969

#제출 시각아이디문제언어결과실행 시간메모리
386969victoriadCoins (IOI17_coins)C++14
0 / 100
12 ms1584 KiB
#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;
    
}

컴파일 시 표준 에러 (stderr) 메시지

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;
      |                   ~~~^~
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