제출 #252552

#제출 시각아이디문제언어결과실행 시간메모리
252552fivefourthreeone경찰관과 강도 (BOI14_coprobber)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define owo(i,a, b) for(int i=(a);i<(b); ++i) #define uwu(i,a, b) for(int i=(a)-1; i>=(b); --i) #define senpai push_back #define ttgl pair<int, int> #define ayaya cout<<"ayaya~"<<endl using namespace std; /*#include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; gp_hash_table<int, int> mp;*/ using ll = long long; using ld = long double; const ll MOD = 1000000007; int gcd(int a,int b){return b?gcd(b,a%b):a;} ll binpow(ll a,ll b){ll res=1;while(b){if(b&1)res=(res*a)%MOD;a=(a*a)%MOD;b>>=1;}return res;} ll modInv(ll a){return binpow(a, MOD-2);} const double PI = acos(-1); const double eps = -1e6; const int INF = 0x3f3f3f3f; const int NINF = 0xc0c0c0c0; const ll INFLL = 0x3f3f3f3f3f3f3f3f; const ll NINFLL = 0xc0c0c0c0c0c0c0c0; const int mxN = 501; int st = -1; int adj[mxN][mxN]; int cnt[mxN]; int num[mxN][mxN]; int par[mxN][mxN]; bool state[mxN][mxN][2]; //state = [cop_pos, robber_pos] //0 is cop's turn //1 is robber's turn int n; int start(int N, bool A[mxN][mxN]) { n= N; queue<array<int, 3>> Q; owo(i, 0, n) { owo(j, 0, n) { adj[i][j] = A[i][j]; cnt[i]+=adj[i][j]; } state[i][i][0] = true; state[i][i][1] = true; Q.push({i, i, 0}); Q.push({i, i, 1}); } while(!Q.empty()) { auto p = Q.front(); Q.pop(); if(p[2]==0) { owo(i, 0, n) { if(adj[p[1]][i]) { if(state[p[0]][i][1])continue; num[p[0]][i]++; if(num[p[0]][i]==cnt[i]) { state[p[0]][i][1] = true; Q.push({p[0], i, 1}); } } } }else { owo(i, 0, n) { if(adj[p[0]][i]||i==p[0]) { if(state[i][p[1]][0])continue; state[i][p[1]][0] = true; par[i][p[1]] = p[0]; Q.push({i, p[1], 0}); } } } } owo(i, 0, n) { owo(j, 0, n) { if(!state[i][j][0])break; if(j==n-1)st = i; } } return st; } int nextMove(int R) { return st = par[st][R]; } int main() { /*int N; cin >> N; bool A[mxN][mxN]; for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { cin >> A[i][j]; } } int P = start(N,A); int curr = -1; while(st!=curr) { cout<<"cop: "<<st<<"\n"; cin>>curr; nextMove(curr); } cout << P << endl; int R; cin >> R; while (true) { if (P == R) break; P = nextMove(R); cout << P << endl; if (P == R) break; cin >> R; }*/ }

컴파일 시 표준 에러 (stderr) 메시지

/tmp/ccAnuWFa.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccNzHDC9.o:coprobber.cpp:(.text.startup+0x0): first defined here
/tmp/ccAnuWFa.o: In function `main':
grader.cpp:(.text.startup+0x13c): undefined reference to `start(int, bool (*) [500])'
collect2: error: ld returned 1 exit status