제출 #863132

#제출 시각아이디문제언어결과실행 시간메모리
863132AlfraganusBigger segments (IZhO19_segments)C++14
0 / 100
0 ms344 KiB
#pragma GCC optimize("unroll-loops") #pragma gcc optimize("Ofast") #pragma GCC optimization("Ofast") #pragma optimize(Ofast) #include <bits/stdc++.h> using namespace std; #define int long long #define str string #define fastio ios::sync_with_stdio(0), cin.tie(0); #define fs first #define ss second #define endl '\n' #define all(x) (x).begin(), (x).end() #define len(x) x.size() #define print(a) \ for (auto &x : a) \ cout << x << " "; \ cout << endl; #define printmp(a) \ for (auto &x : a) \ cout << x.fs << " " << x.ss << endl; const int mod = 1e9 + 7; void solve(){ /* Our small boy Askhat noticed an interesting phenomenon — trying to cover an array with “jumps” of bigger and bigger sums may not be as simple as it seems. Of course, now you need to find a way to do it. You are given a sequence of positive integer numbers of length N. Divide the given sequence into the maximal number of segments so that: 1. Every element of the sequence belongs to exactly one segment. 2. Sum of the numbers in every segment, except for the first one, is not less than in the previous */ int n; cin >> n; vector<int> a(n); for(int i = 0; i < n; i++){ cin >> a[i]; } int ans = 0; for(int i = 0; i < n; i++){ int sum = 0; for(int j = i; j < n; j++){ sum += a[j]; ans = max(ans, sum); } } cout << ans; } signed main(){ fastio int t = 1; // cin >> t; while(t --){ solve(); cout << endl; } }

컴파일 시 표준 에러 (stderr) 메시지

segments.cpp:2: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
    2 | #pragma gcc optimize("Ofast")
      | 
segments.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization("Ofast")
      | 
segments.cpp:4: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    4 | #pragma optimize(Ofast)
      |
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