Submission #1369072

#	Time	Username	Problem	Language	Result	Execution time	Memory
1369072		Ekber_Ekber	Knapsack (NOI18_knapsack)	C++20	73 / 100	1097 ms	1608 KiB

knapsack

#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-fwhole-program")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-fstrict-overflow")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-skip-blocks")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-funsafe-loop-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#include <bits/stdc++.h>
// #ifndef ONLINE_JUDGE
//     #include <debug.h>
// #else
//     #define debug(...)
// #endif
#define GOOD_LUCK ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
// #define int long long
#define endl "\n"
#define ff first
#define ss second
#define pb push_back
#define all(v) v.begin(), v.end()
using namespace std;

constexpr int MAX = 2e+5 + 1, INF = 2e+9, MOD = 1e+9 + 7, K = 31;

void _() {
    int s, n;
    cin >> s >> n;
    vector <array <int, 3>> v(n);
    for (auto &i : v) cin >> i[0] >> i[1] >> i[2];
    vector <int> dp(s+1, -INF);
    dp[0] = 0;
    for (int i = 0; i < n; i++) {
        vector <int> ndp = dp;
        for (int j = 0; j <= s; j++) {
            for (int z = 0; z <= v[i][2]; z++) {
                if (j + z * v[i][1] > s) break;
                ndp[j + z * v[i][1]] = max(ndp[j + z * v[i][1]], dp[j] + z * v[i][0]);
            }
        }
        dp.swap(ndp);
    }
    cout << *max_element(all(dp));
}

signed main() {

    GOOD_LUCK

    int tests=1;
    // cin >> tests;
    for (int i=1; i <= tests; i++) {
        _();
        cout << endl;
    }

    return 0;
}

Compilation message (stderr)

knapsack.cpp:21:39: warning: bad option '-fwhole-program' to pragma 'optimize' [-Wpragmas]
   21 | #pragma GCC optimize("-fwhole-program")
      |                                       ^
knapsack.cpp:28:41: warning: bad option '-fstrict-overflow' to pragma 'optimize' [-Wpragmas]
   28 | #pragma GCC optimize("-fstrict-overflow")
      |                                         ^
knapsack.cpp:30:41: warning: bad option '-fcse-skip-blocks' to pragma 'optimize' [-Wpragmas]
   30 | #pragma GCC optimize("-fcse-skip-blocks")
      |                                         ^
knapsack.cpp:44:51: warning: bad option '-funsafe-loop-optimizations' to pragma 'optimize' [-Wpragmas]
   44 | #pragma GCC optimize("-funsafe-loop-optimizations")
      |                                                   ^
knapsack.cpp:64:8: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   64 | void _() {
      |        ^
knapsack.cpp:64:8: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
knapsack.cpp:64:8: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
knapsack.cpp:64:8: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
knapsack.cpp:84:13: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   84 | signed main() {
      |             ^
knapsack.cpp:84:13: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
knapsack.cpp:84:13: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
knapsack.cpp:84:13: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]

• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 24 / 24
• Subtask 5: 0 / 27