제출 #113463

#제출 시각아이디문제언어결과실행 시간메모리
113463Beautiful_Times친구 (IOI14_friend)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include <queue> #include <vector> #include <friend.h> using namespace std; vector<int> child[100001]; int cod[6]; int ho[6]; int pro[6]; int dpp[100001][2]; int conn[100001]; int dp(int node, bool inc) { int temp; if(inc) temp = 1; else temp = 0; if(dpp[node][temp] != -1) return dpp[node][temp]; if(inc == true) { int total = conn[node]; for(int x = child[node].size()-1;x>=0;x-=2) { int nn = child[node].at(x-1); int proc = child[node].at(x); if(proc == 1) total += max(dp(nn,true),dp(nn,false)); else total += dp(nn,false); } dpp[node][temp] = total; } else { int current = 0; int include2 = 0; int include1 = 0; for(int x = child[node].size()-1;x>=0;x-=2) { int nn = child[node].at(x-1); int proc = child[node].at(x); if(proc == 0) { int diff = dp(nn,true) - dp(nn,false); if(diff <= 0) current += dp(nn,false); else { if(include1 + diff > include2) { current += include1 + dp(nn,true); current -= include2; include1 = 0; include2 = 0; } else { include1 += diff; current += dp(nn,false); } } } else { int diff = dp(nn,true) - dp(nn,false); if(diff < 0) current += dp(nn,false); else { current += dp(nn,true); include2 += diff; } } } dpp[node][temp] = current; } return dpp[node][temp]; } int findSample(int n, int confidence[], int host[], int protocol[]) { for(int x = 1;x<n;x++) { child[host[x]].push_back(x); child[host[x]].push_back(protocol[x]); } for(int x = 0;x<100001;x++) { dpp[x][0] = -1; dpp[x][1] = -1; } for(int x = 0;x<n;x++) { conn[x] = confidence[x]; } return max(dp(0,false),dp(0,true)); } int main() { cod[0] = 13; cod[1] = 3; cod[2] = 6; cod[3] = 20; cod[4] = 10; cod[5] = 15; ho[1] = 0; ho[2] = 0; ho[3] = 1; ho[4] = 2; ho[5] = 0; pro[1] = 0; pro[2] = 1; pro[3] = 2; pro[4] = 1; pro[5] = 0; cout << findSample(6,cod,ho,pro) << endl; for(int x = 0;x<child[0].size();x++) cout << child[0].at(x) << " "; cout << endl; for(int x = 0;x<6;x++) { cout << dpp[x][0] << " " << dpp[x][1] << endl; } }

컴파일 시 표준 에러 (stderr) 메시지

friend.cpp: In function 'int main()':
friend.cpp:126:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int x = 0;x<child[0].size();x++)
                ~^~~~~~~~~~~~~~~~
/tmp/ccqe0NMm.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccuTMlph.o:friend.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status