제출 #643623

#제출 시각아이디문제언어결과실행 시간메모리
643623DextarCatfish Farm (IOI22_fish)C++17
컴파일 에러
0 ms0 KiB
#include <cstdio> #ifdef DEBUG #define D(X) X #else #define D(X) #endif #include <bits/stdc++.h> #define F first #define S second #define ll long long #define pi 3.14159265359 #define pub push_back #define pob pop_back using namespace std; const int INF = 1000 * 1000 * 1000; const int mod = 1000 * 1000 * 1000 + 7; int64_t max_weights(int n, int m, int x[], int y[], int w[]) { ll cnt[n]; for(int i=0; i<n; i++) { cnt[i] = 0; } for(int i=0; i<m; i++) { cnt[x[i]] += w[i]; //cout<<cnt[x[i]]<<endl; } ll dp[n+1]; dp[n-1] = dp[n] = 0; for(int i=n-2; i>=0; i--) { dp[i] = dp[i+2] + cnt[i]; //cout<<dp[i]<<endl; for(int j=i+2; j<=n; j++) { if(j>=n-1) { dp[i] = max(dp[i], cnt[j-1]); } else { dp[i] = max(dp[i], cnt[j-1] + dp[j+1]); } } } return (int64_t) dp[0]; } struct testCase { void solve() { } }; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); //D(freopen("input.txt","r",stdin);) //D(freopen("ouput.txt","w",stdout);) int t = 1; //cin >> t; loop: while(t--) { //testCase test; //test.solve(); /* int n, m; cin >> n >> m; int x[m], y[m], w[m]; for(int i=0; i<m; i++) { cin >> x[i] >> y[i] >> w[i]; } int64_t res = max_weights(n, m, x, y, w); cout << res; */ } return 0; } /* 7 2 */

컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In function 'int main()':
fish.cpp:60:5: warning: label 'loop' defined but not used [-Wunused-label]
   60 |     loop:
      |     ^~~~
/usr/bin/ld: /tmp/ccCppghN.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccVXEcwL.o:fish.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccCppghN.o: in function `main':
grader.cpp:(.text.startup+0x25e): undefined reference to `max_weights(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status