Submission #632469

#TimeUsernameProblemLanguageResultExecution timeMemory
632469shmadMountains (NOI20_mountains)C++17
0 / 100
3 ms340 KiB
#pragma GCC optimize("O3", "unroll-loops") // "Ofast" #pragma GCC target("avx2", "bmi", "bmi2", "lzcnt", "popcnt") #include <bits/stdc++.h> //#define int long long #define vt vector #define pb push_back #define all(x) (x).begin(), (x).end() #define sz(x) (int)(x).size() #define ff first #define ss second #define dbg(x) cerr << #x << " = " << x << '\n' #define bit(x, i) ((x) >> (i) & 1) using namespace std; using ll = long long; using pii = pair<int, int>; using vvt = vt< vt<int> >; const int N = 1e6 + 5, mod = 1e9 + 7, B = 500; const ll inf = 1e18 + 7, LIM = (1ll << 60); const double eps = 1e-6; int n, h[N]; void solve () { cin >> n; for (int i = 1; i <= n; i++) cin >> h[i]; cout << 0; cout << '\n'; } bool testcases = 0; signed main() { #ifndef ONLINE_JUDGE freopen(".in", "r", stdin); freopen(".out", "w", stdout); #endif cin.tie(0) -> sync_with_stdio(0); int test = 1; if (testcases) cin >> test; for (int cs = 1; cs <= test; cs++) { solve(); } }

Compilation message (stderr)

Mountains.cpp: In function 'int main()':
Mountains.cpp:38:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |  freopen(".in", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~
Mountains.cpp:39:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |  freopen(".out", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
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