제출 #1219102

#제출 시각아이디문제언어결과실행 시간메모리
1219102LM1Coins (IOI17_coins)C++20
컴파일 에러
0 ms0 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; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccwe1ibO.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc1vE1LC.o:coins.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status