Submission #361587

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
361587	2021-01-30 17:30:15	saarang123	Rectangles (IOI19_rect)	C++14	8 / 100	5092 ms	539172 KiB

rect

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#include <bits/stdc++.h>
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("O3")
#pragma GCC target ("avx2")
#pragma GCC optimization ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
template<bool returnMax, bool returnIndex>
struct SparseTable {
    int n, k;
    vector<int> a;
    vector<vector<int>> st;
    void init(vector<int> a) {
        this->a = a;
        n = (int) a.size();
        k = lg(n);
        st.assign(n + 1, vector<int>(k + 1));
        build();
    }
    int lg(int x) { return 31 - __builtin_clz(x); }
    int merge(int x, int y) {
        if (returnMax) return a[x] >= a[y] ? x : y;
        return a[x] < a[y] ? x : y;
    }
    void build() {
        for (int i = 0; i < n; i++) st[i][0] = i;
        for (int j = 1; j <= k; j++)
            for (int i = 0; i + (1 << j) - 1 < n; i++)
                st[i][j] = merge(st[i][j - 1], st[i + (1 << (j - 1))][j - 1]);
 
 
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Compilation message (stderr)

rect.cpp:2: warning: ignoring #pragma comment  [-Wunknown-pragmas]
    2 | #pragma comment(linker, "/stack:200000000")
      | 
rect.cpp:6: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    6 | #pragma GCC optimization ("unroll-loops")
      |

• Subtask 1: 8 / 8
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 22
• Subtask 5: 0 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28