Submission #41399

#TimeUsernameProblemLanguageResultExecution timeMemory
41399festBali Sculptures (APIO15_sculpture)C++14
50 / 100
91 ms752 KiB
// fest #include <bits/stdc++.h> #define pb push_back #define F first #define S second #define y1 dasdasfasfas #define x1 wqdadfasfasfas #define All(c) c.begin(), c.end() #define SZ(A) (int((A).size())) #define umap unordered_map #define FILENAME "" #define __ fflush(stdout) typedef long long ll; typedef long double ld; using namespace std; void FREOPEN() { #ifdef COMP freopen(".in", "r", stdin); freopen("2.out", "w", stdout); #else freopen(FILENAME".in", "r", stdin); freopen(FILENAME".out", "w", stdout); #endif } inline double Time() {return (clock() * 1.0) / CLOCKS_PER_SEC; } const int N = 2001, inf = 1e9 * 2, MOD = (int)1e9 + 7, M = 42; char CH[N]; const ll INF = 1e18; const int dx[] = {1, -1, 0, 0, -1, 1, -1, 1}; const int dy[] = {0, 0, 1, -1, -1, 1, 1, -1}; ll a[N]; int dp[N]; int main() { int n, l, r; cin >> n >> l >> r; for (int i = 1; i <= n; i++) scanf("%lld ", a + i); ll ans = 0; ll no = 0; for (int bit = M - 1; bit >= 0; bit--) { ll now = (ans | (1ll << bit)); now--; no |= (1ll << bit); for (int i = 1; i <= n; i++) dp[i] = inf; for (int i = 1; i <= n; i++) { ll sum = a[i]; for (int j = i - 1; j >= 0; j--) { if (sum & no) { sum += a[j]; continue; } if (sum > now) break; dp[i] = min(dp[i], dp[j] + 1); sum += a[j]; } } no ^= (1ll << bit); if (dp[n] <= r) no |= (1ll << bit); else ans |= (1ll << bit); } cout << ans; return 0; }

Compilation message (stderr)

sculpture.cpp: In function 'void FREOPEN()':
sculpture.cpp:25:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(FILENAME".in", "r", stdin);
                                     ^
sculpture.cpp:26:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(FILENAME".out", "w", stdout);
                                       ^
sculpture.cpp: In function 'int main()':
sculpture.cpp:49:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1; i <= n; i++) scanf("%lld ", a + i);
                                                    ^
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