제출 #199364

#제출 시각아이디문제언어결과실행 시간메모리
199364houtaru3단 점프 (JOI19_jumps)C++17
19 / 100
1356 ms77380 KiB
#include <iostream> #include <vector> #include <algorithm> using namespace std; int n, q; int a[5010]; int f[5010][5010]; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); cin >> n; for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = n - 1; i >= 0; --i) { int cur = 0, mx = 0; for (int j = i + 2; j < n; ++j) { mx = max(mx, a[(i + j) / 2]); f[i][j] = max({a[i] + a[j] + mx, f[i + 1][j], f[i][j - 1]}); } } cin >> q; while (q--) { int l, r; cin >> l >> r; cout << f[l - 1][r - 1] << "\n"; } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

jumps.cpp: In function 'int main()':
jumps.cpp:17:9: warning: unused variable 'cur' [-Wunused-variable]
     int cur = 0, mx = 0;
         ^~~
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