Submission #1172222

#	Time	Username	Problem	Language	Result	Execution time	Memory
1172222		ntcnng_	나일강 (IOI24_nile)	C++20	Compilation error	0 ms	0 KiB

nile

  #include <bits/stdc++.h>
  //#include "nile.h"
  #define ll long long
  using namespace std;

  const int N = 1e5 + 5;
  const long long oo = 1e16;

  int n, q;
  long long w[N], a[N], b[N];

  vector<long long> calculate_costs(
      vector<int> W, vector<int> A,
      vector<int> B, vector<int> E) {

//    for(int i = 1; i <= n; ++i) w[i] = W[i - 1], a[i] = A[i - 1], b[i] = B[i - 1];
//
//    vector<long long> ans;
//
//    for(auto D : E) {
//      long long tot = 0;
//      for(int i = 1; i <= n; ++i) tot += b[i];
//      long long res = oo;
//      if(n & 1) for(int i = 1; i <= n; ++i) res = min(res, tot + a[i] - b[i]);
//      else res = tot;
//      ans.push_back(res);
//    }
//    return ans;

    vector<ll> R;

	int N = A.size(),mn_a=0;

	ll tot=0,mn_cost=oo;

	for(int i=0;i<N;++i){
		tot+=B[i];
	}

	if(N&1^1) mn_cost=tot;
	else{
		for(int i=0;i<N;++i){
			mn_cost=min(mn_cost,tot-B[i]+A[i]);
		}
	}

	R.resize(E.size(),mn_cost);
	return R;
  }

  #define ntc
  #ifdef ntc
  int32_t main() {
    cin.tie(0)->sync_with_stdio(0);

    if(fopen("v.inp", "r")) {
      freopen("v.inp", "r", stdin);
      freopen("v.out", "w", stdout);
    }

    vector<int> W, A, B, E;

    cin >> n;
    for(int i = 1; i <= n; ++i) {
      int w, a, b; cin >> w >> a >> b;
      W.push_back(w); A.push_back(a); B.push_back(b);
    }

    cin >> q;
    for(int i = 1; i <= q; ++i) {
      int D; cin >> D;
      E.push_back(D);
    }

    vector<long long> ans = calculate_costs(W, A, B, E);
    for(auto x : ans) cout << x << '\n';
  }
  #endif

Compilation message (stderr)

nile.cpp: In function 'int32_t main()':
nile.cpp:58:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |       freopen("v.inp", "r", stdin);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
nile.cpp:59:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |       freopen("v.out", "w", stdout);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccb7Xbaf.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cclcDl1E.o:nile.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status