Submission #947478

#TimeUsernameProblemLanguageResultExecution timeMemory
947478dilanyanIntergalactic ship (IZhO19_xorsum)C++17
0 / 100
2028 ms1628 KiB
//-------------dilanyan------------\\ #define _CRT_SECURE_NO_WARNINGS #include<bits/stdc++.h> #include<stdio.h> using namespace std; //------------------KarginDefines--------------------\\ #define ll long long #define pb push_back #define all(u) (u).begin(), (u).end() #define pqueue priority_queue #define upper upper_bound #define lower lower_bound #define umap unordered_map #define uset unordered_set #define Kargin ios_base::sync_with_stdio(false);cin.tie(NULL); #define Usaco freopen(".in", "r", stdin); freopen(".out", "w", stdout); //-------------------KarginConstants------------------\\ const ll mod = 1000000007; const ll inf = 1e9 + 15; //-------------------KarginCode------------------------\\ const int N = 1005,M = 100005; ll a[N]; struct query { int l, r, x; }; query q[M]; void KarginSolve() { int n; cin >> n; for (int i = 0;i < n;i++) cin >> a[i]; int m; cin >> m; for (int i = 0;i < m;i++) { cin >> q[i].l >> q[i].r >> q[i].x; q[i].l--; } ll ans = 0; for (int i = 0;i < (1 << m);i++) { for (int j = 0;j < m;j++) { if (i & (1 << j)) { for (int k = q[j].l;k < q[i].r;k++) a[k] ^= q[i].x; } } for (int x = 0;x < n;x++) { ll sum = 0; for (int j = x;j < n;j++) { sum += a[j]; ans += sum * sum; ans %= mod; } } for (int j = 0;j < m;j++) { if (i & (1 << j)) { for (int k = q[j].l;k < q[i].r;k++) a[k] ^= q[i].x; } } } cout << ans << '\n'; } int main() { Kargin; int test = 1; //cin >> test; while (test--) { KarginSolve(); } return 0; }

Compilation message (stderr)

xorsum.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //-------------dilanyan------------\\
      | ^
xorsum.cpp:8:1: warning: multi-line comment [-Wcomment]
    8 | //------------------KarginDefines--------------------\\
      | ^
xorsum.cpp:22:1: warning: multi-line comment [-Wcomment]
   22 | //-------------------KarginConstants------------------\\
      | ^
xorsum.cpp:27:1: warning: multi-line comment [-Wcomment]
   27 | //-------------------KarginCode------------------------\\
      | ^
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