제출 #602714

#제출 시각아이디문제언어결과실행 시간메모리
602714kenjinemera친구 (IOI14_friend)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define pi pair<int, int> #define vi vector<int> #define f first #define s second #define pb push_back #define FOR(i,x,y) for (int i = x; i < y; i++) using namespace std; int findSample(int n, vi confidence, vi host, vi protocol) { vector<pi> dp; FOR(i,0,n) dp.pb({confidence[i], 0}); for (int i = n - 1; i > 0; i--) { // we want to pair the last node with the host and then merge int par = host[i]; int prot = protocol[i]; //cout << prot << "<-\n"; if (prot == 0) { // I am your friend dp[par].f = dp[par].f + dp[i].s; dp[par].s = max(dp[par].s + dp[i].f, dp[par].s + dp[i].s); } else if (prot == 1) { // my friends are your friends //cout << dp[i].f << " : " << dp[par].f << "\n"; dp[par].f = max(max(dp[i].f + dp[par].f, dp[par].f + dp[i].s), dp[i].f + dp[par].s); dp[par].s += dp[i].s; } else { // we are all friends dp[par].f = max(dp[par].f + dp[i].s, dp[par].s + dp[i].f); dp[par].s = dp[par].s + dp[i].s; } //cout << i << "th stage: \n"; } return max(dp[0].s, dp[0].f); } //void input() //{ // int n; // // cin >> n; // // vi confidence(n), host(n), protocol(n); // // FOR(i,0,n) cin >> confidence[i]; // FOR(i,0,n) cin >> host[i]; // FOR(i,0,n) cin >> protocol[i]; // // cout << "solution = " << findSample(n, confidence, host, protocol) << "\n"; //} // //int main() //{ // auto start = chrono::high_resolution_clock::now(); // ios_base::sync_with_stdio(false); // freopen("test.in", "r", stdin); // cin.tie(0); // cout.tie(0); // int t = 1; // // cin >> t; // for(int i = 0; i < t; i++){ // // cout << "Case #" << i + 1 << ": "; // input(); // } // auto stop = chrono::high_resolution_clock::now(); // auto duration = chrono::duration_cast<chrono::milliseconds>(stop - start); // // cout <<"Time taken : "<<duration.count() <<" milliseconds\n"; //} //

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccg0Tn59.o: in function `main':
grader.cpp:(.text.startup+0xdd): undefined reference to `findSample(int, int*, int*, int*)'
collect2: error: ld returned 1 exit status