제출 #676176

#제출 시각아이디문제언어결과실행 시간메모리
676176armashkaCigle (COI21_cigle)C++17
48 / 100
1082 ms13340 KiB
#include<bits/stdc++.h> #pragma GCC target("avx2") #pragma GCC optimization("O3") #pragma GCC optimization("unroll-loops") #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std; #define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define file(s) freopen(s".in", "r", stdin);freopen(s".out", "w", stdout); #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() #define pb push_back #define ft first #define sd second #define ll int #define pll pair<ll,ll> const int N = 2e5 + 5; const int M = 1e7 + 5; const ll mod = 1e9 + 7; const ll inf = 1e9; ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;} ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res=binmul(res,x);x=binmul(x,x);ti >>= 1; x %= mod; res %= mod;} return res;} ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); } bool odd(ll n) { return (n % 2 == 1); } bool even(ll n) { return (n % 2 == 0); } ll n, a[5005], dp[5005][5005], pr[5005]; bool used[5005][5005]; void check(ll l, ll r) { if (used[l][r]) return; used[l][r] = 1; int j = l, cnt = 0, sum = 0; for (int i = l - 1; i >= 1; -- i) { while (pr[l - 1] - pr[i - 1] > sum && j <= r) sum += a[j++]; if (!used[i][l - 1]) check(i, l - 1); dp[l][r] = max(dp[l][r], dp[i][l - 1] + cnt); if (pr[l - 1] - pr[i - 1] == sum && j <= r) ++ cnt; } } const void solve() { cin >> n; for (int i = 1; i <= n; ++ i) cin >> a[i], pr[i] = pr[i - 1] + a[i]; for (int i = 1; i <= n; ++ i) used[1][i] = 1; ll ans = 0; for (int i = 1; i <= n; ++ i) { if (!used[i][n]) check(i, n); ans = max(ans, dp[i][n]); } cout << ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); srand(time(NULL)); ll tt = 1; // cin >> tt; while (tt --) solve(); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

cigle.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization("O3")
      | 
cigle.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization("unroll-loops")
      | 
cigle.cpp:5: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    5 | #pragma comment(linker, "/stack:200000000")
      |
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...