제출 #539681

#제출 시각아이디문제언어결과실행 시간메모리
539681Eug1enaRoller Coaster Railroad (IOI16_railroad)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; using lint = long long; #define rep(i, n) for(int i = 0; i < int(n); i++) #define rep2(i, l, n) for(int i = int(l); i < int(n); i++) #define repr(i, n) for(int i = int(n) - 1; i >= 0; i--) #define all(x) (x).begin(), (x).end() inline int has(lint x, int k){ return (x >> k) & 1; }; int n; lint a[30], b[30]; lint dp[20][1 << 16]; lint play(int at, int bit){ if(bit == (1 << n) - 1){ return 0; } if(dp[at][bit] != -1) return dp[at][bit]; lint ans = 1e18; rep(to, n){ if(has(bit, to)) continue; lint res = max(0ll, b[at] - a[to]); res += play(to, bit | (1 << to)); ans = min(ans, res); } return dp[at][bit] = ans; } lint plan_roller_coaster(vector<int> s_in, vector<int> t_in){ n = int(s_in.size()); assert(n <= 16); rep(i, n){ a[i] = s_in[i]; b[i] = t_in[i]; } b[n] = 1; memset(dp, -1, sizeof(dp)); return play(n, 0); } int main(){ vector<int> s{1, 4, 5, 6}; vector<int> t{7, 3, 8, 6}; cout << plan_roller_coaster(s, t) << endl; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccDd2CqX.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccdZYlEZ.o:railroad.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status