제출 #716886

#제출 시각아이디문제언어결과실행 시간메모리
716886myrcella자동 인형 (IOI18_doll)C++17
컴파일 에러
0 ms0 KiB
//by szh #include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pii pair<int,int> #define pll pair<long long,long long> #define pb push_back #define debug(x) cerr<<#x<<"="<<x<<endl #define pq priority_queue #define inf 0x3f #define rep(i,a,b) for (int i=a;i<(b);i++) #define MP make_pair #define SZ(x) (int(x.size())) #define ll long long #define mod 1000000007 #define ALL(x) x.begin(),x.end() void inc(int &a,int b) {a=(a+b)%mod;} void dec(int &a,int b) {a=(a-b+mod)%mod;} int lowbit(int x) {return x&(-x);} ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;} namespace { constexpr int P_MAX = 20000000; constexpr int S_MAX = 400000; int M, N; std::vector<int> A; bool answered; int S; std::vector<int> IC, IX, IY; int read_int() { int x; if (scanf("%d", &x) != 1) { fprintf(stderr, "Error while reading input\n"); exit(1); } return x; } void wrong_answer(const char *MSG) { printf("Wrong Answer: %s\n", MSG); exit(0); } void simulate() { if (S > S_MAX) { char str[50]; sprintf(str, "over %d switches", S_MAX); wrong_answer(str); } for (int i = 0; i <= M; ++i) { if (!(-S <= IC[i] && IC[i] <= M)) { wrong_answer("wrong serial number"); } } for (int j = 1; j <= S; ++j) { if (!(-S <= IX[j - 1] && IX[j - 1] <= M)) { wrong_answer("wrong serial number"); } if (!(-S <= IY[j - 1] && IY[j - 1] <= M)) { wrong_answer("wrong serial number"); } } int P = 0; std::vector<bool> state(S + 1, false); int pos = IC[0]; int k = 0; FILE *file_log = fopen("log.txt", "w"); fprintf(file_log, "0\n"); for (;;) { fprintf(file_log, "%d\n", pos); if (pos < 0) { if (++P > P_MAX) { fclose(file_log); char str[50]; sprintf(str, "over %d inversions", P_MAX); wrong_answer(str); } state[-pos] = !state[-pos]; pos = state[-pos] ? IX[-(1 + pos)] : IY[-(1 + pos)]; } else { if (pos == 0) { break; } if (k >= N) { fclose(file_log); wrong_answer("wrong motion"); } if (pos != A[k++]) { fclose(file_log); wrong_answer("wrong motion"); } pos = IC[pos]; } } fclose(file_log); if (k != N) { wrong_answer("wrong motion"); } for (int j = 1; j <= S; ++j) { if (state[j]) { debug(j); wrong_answer("state 'Y'"); } } printf("Accepted: %d %d\n", S, P); } } // namespace void answer(std::vector<int> C, std::vector<int> X, std::vector<int> Y) { if (answered) { wrong_answer("answered not exactly once"); } answered = true; // check if input format is correct if ((int)C.size() != M + 1) { wrong_answer("wrong array length"); } if (X.size() != Y.size()) { wrong_answer("wrong array length"); } S = X.size(); IC = C; IX = X; IY = Y; } //#include "doll.h" const int maxn = 2e5+10; vector <int> X,Y; int tot; int cur = 1; int cnt = 0; void dfs(int suf,int lg) { int id = cur++; X.pb(-maxn),Y.pb(-maxn); lg--; if (lg==0) { if (suf+1==tot) X[id-1] = -1; return; } Y[id-1] = -cur; dfs(suf,lg); if (suf + (1<<lg) < tot) { X[id-1] = -cur; dfs(suf + (1<<lg), lg); } else X[id-1] = -1; } bool vis[maxn]; int nxt(int x) { int ret; if (vis[x]==false) ret = X[x-1]; else ret = Y[x-1]; vis[x]^=1; if (vis[x]) cnt++; else cnt--; return -ret; } void create_circuit(int M, std::vector<int> A) { tot=M+1; A.pb(0); int lg = 0; while ((1<<lg)<M+1) lg++; dfs(0,lg); memset(vis,0,sizeof(vis)); rep(i,0,tot) { int cur=1,tmp; while ((tmp=nxt(cur))!=maxn) cur = tmp; if (vis[cur]==false) Y[cur-1] = A[i]; else X[cur-1] = A[i]; } vector <int> C; rep(i,0,tot) C.pb(-1); answer(C, X, Y); } int main() { M = read_int(); N = read_int(); A.resize(N); for (int k = 0; k < N; ++k) { A[k] = read_int(); } answered = false; create_circuit(M, A); if (!answered) { wrong_answer("answered not exactly once"); } FILE *file_out = fopen("out.txt", "w"); fprintf(file_out, "%d\n", S); for (int i = 0; i <= M; ++i) { fprintf(file_out, "%d\n", IC[i]); } for (int j = 1; j <= S; ++j) { fprintf(file_out, "%d %d\n", IX[j - 1], IY[j - 1]); } fclose(file_out); simulate(); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccxN3DDt.o: in function `answer(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)':
grader.cpp:(.text+0x1f0): multiple definition of `answer(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'; /tmp/ccGrPPSr.o:doll.cpp:(.text+0x2e0): first defined here
/usr/bin/ld: /tmp/ccxN3DDt.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccGrPPSr.o:doll.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status