제출 #748035

#제출 시각아이디문제언어결과실행 시간메모리
748035Dan4Life코끼리 (Dancing Elephants) (IOI11_elephants)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define fi first #define se second const int mxN = (int)1.5e5+10; const int INF = (int)1e9+10; const int B = 300; const int nmB = INF/B+2; unordered_map<int,set<int>> pos; //sz = nmB int n, L, p[mxN/B]; unordered_map<int,int> b; unordered_map<int,set<array<int,3>>> block; void reUpd(int ind){ block[ind].clear(); auto itr = end(pos[ind]); while(itr!=begin(pos[ind])){ itr--; auto itr2 = block[ind].lower_bound({*itr+L+1,-1,-1}); if(itr2!=block[ind].end()){ auto obj = *itr2; block[ind].insert({*itr,1+obj[1],obj[2]}); } else block[ind].insert({*itr,1,*itr+L+1}); } } void ins(int x){ b[x]++; if(b[x]!=1) return; int ind = x/B; pos[ind].insert(x); reUpd(ind); } void del(int x){ b[x]--; if(b[x]) return; int ind = x/B; pos[ind].erase(x); reUpd(ind); } void init(int N, int l, int X[]) { n = N; L = l; for(int i = 0; i < n; i++) p[i]=X[i], ins(p[i]); } int update(int i, int y) { del(p[i]); p[i]=y; ins(y); int ans = 0, cur = 0; for(int i = 0; i < nmB; i++){ auto itr = block[i].lower_bound({cur,-1,-1}); if(itr!=block[i].end()) ans+=(*itr)[1], cur = (*itr)[2]; } return ans; } #define MAX_N 1000000 #define MAX_M 1000000 static int N,LL,M; static int X[MAX_N]; static int ii[MAX_M]; static int yy[MAX_M]; static int sol[MAX_M]; inline void my_assert(int e) {if (!e) abort();} void read_input() { int i; my_assert(3==scanf("%d %d %d",&N,&LL,&M)); for(i=0; i<N; i++) my_assert(1==scanf("%d",&X[i])); for(i=0; i<M; i++) my_assert(3==scanf("%d %d %d",&ii[i],&yy[i],&sol[i])); } int main() { int i, ans; read_input(); init(N,LL,X); for(i=0; i<M; i++) { ans = update(ii[i],yy[i]); if(ans==sol[i])continue; printf("Incorrect. In %d-th move, answered %d (%d expected).\n", i+1, ans, sol[i]); return 0; } printf("Correct.\n"); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccds15Fn.o: in function `read_input()':
grader.cpp:(.text+0x0): multiple definition of `read_input()'; /tmp/cccDtrvp.o:elephants.cpp:(.text+0x3a0): first defined here
/usr/bin/ld: /tmp/ccds15Fn.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cccDtrvp.o:elephants.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status