#include <bits/stdc++.h>
using namespace std;
#define rep(i, l, r) for(int i = (l), _r = (r); i < _r; ++i)
#define FOR(i, l, r) for(int i = (l), _r = (r); i <= _r; ++i)
#define ROF(i, r, l) for(int i = (r), _l = (l); i >= _l; --i)
#define all(v) begin(v), end(v)
#define compact(v) v.erase(unique(all(v)), end(v))
#define sz(v) (int)v.size()
#define dbg(x) "[" #x " = " << (x) << "]"
template<typename T>
bool minimize(T& a, const T& b){
if(a > b) return a = b, true; return false;
}
template<typename T>
bool maximize(T& a, const T& b){
if(a < b) return a = b, true; return false;
}
using ll = long long;
using ld = long double;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template<typename T> T random_int(T l, T r){ return uniform_int_distribution<T>(l, r)(rng); }
template<typename T> T random_real(T l, T r){ return uniform_real_distribution<T>(l, r)(rng); }
const int MAX = 1e3 + 5;
const int mod = 1e9 + 7;
struct mint{
int v;
mint(int v = 0) : v(v) {}
mint(ll v = 0) : v(v % mod) {}
mint() = default;
mint& operator += (const mint& a){ v += a.v; if(v >= mod) v -= mod; return *this; }
mint& operator -= (const mint& a){ if(v < 0) v += mod; return *this; }
mint& operator *= (const mint& a){ v = 1LL * v * a.v % mod; return *this; }
mint& operator /= (const mint& a){ return (*this) *= a.inv(); }
mint power(ll pw) const {
mint res(1);
mint base = *this;
for(; pw > 0; pw /= 2, base *= base){
if(pw & 1) res *= base;
}
return res;
}
mint inv() const {
return power(mod - 2);
}
friend mint operator + (mint a, const mint& b){ return a += b; }
friend mint operator - (mint a, const mint& b){ return a -= b; }
friend mint operator * (mint a, const mint& b){ return a *= b; }
friend mint operator / (mint a, const mint& b){ return a /= b; }
friend istream& operator >> (istream& in, mint& x){ return in >> x.v; }
friend ostream& operator << (ostream& out, const mint& x){ return out << x.v; }
#define define_logical_operation(o) friend bool operator o (const mint& a, const mint& b){ return a.v o b.v; }
define_logical_operation(==)
define_logical_operation(!=)
define_logical_operation(<)
define_logical_operation(>)
define_logical_operation(<=)
define_logical_operation(>=)
};
int n, q, a[MAX], L[MAX], R[MAX], x[MAX];
namespace last_subtask{
vector<vector<int>> A, B, C;
vector<mint> pw2;
void updateRect(vector<vector<int>>& a, int x1, int y1, int x2, int y2){
if(x1 <= x2 && y1 <= y2){
a[x1][y1] += 1;
if(x2 < n) a[x2 + 1][y1] -= 1;
if(y2 < n) a[x1][y2 + 1] -= 1;
if(x2 < n && y2 < n) a[x2 + 1][y2 + 1] += 1;
}
}
mint contribution_of_pair(int u, int v){
mint sum(0);
for(int i = 1; i <= n; ++i) for(int j = 1; j <= n; ++j){
A[i][j] = B[i][j] = C[i][j] = 0;
}
for(int i = 1; i <= q; ++i){
bool ia = (x[i] >> u & 1);
bool jb = (x[i] >> v & 1);
if(ia && jb){
updateRect(A, L[i], L[i], R[i], R[i]);
updateRect(B, L[i], R[i] + 1, R[i], n);
updateRect(C, 1, L[i], L[i] - 1, R[i]);
} else if(ia){
updateRect(B, L[i], 1, R[i], n);
} else if(jb){
updateRect(C, 1, L[i], n, R[i]);
}
}
for(int i = 1; i <= n; ++i){
for(int j = 1; j <= n; ++j){
A[i][j] += A[i - 1][j] + A[i][j - 1] - A[i - 1][j - 1];
B[i][j] += B[i - 1][j] + B[i][j - 1] - B[i - 1][j - 1];
C[i][j] += C[i - 1][j] + C[i][j - 1] - C[i - 1][j - 1];
}
}
for(int i = 1; i <= n; ++i){
bool on_i = (a[i] >> u & 1);
for(int j = i; j <= n; ++j){
bool on_j = (a[j] >> v & 1);
int a = A[i][j];
int b = B[i][j];
int c = C[i][j];
int d = q - a - b - c;
auto calculate = [&](int n, bool bit) -> mint{
if(n == 0) return mint(bit ? 0 : 1);
return pw2[n - 1];
};
mint ways(0);
for(int ta = 0; ta < 2; ++ta){
for(int tb = 0; tb < 2; ++tb){
for(int tc = 0; tc < 2; ++tc){
if(((on_i + ta + tb) & 1) && ((on_j + ta + tc) & 1)){
mint cur = calculate(a, ta) * calculate(b, tb) * calculate(c, tc);
ways += cur;
}
}
}
}
ways *= pw2[d];
mint num_ranges = mint(i) * mint(n - j + 1);
mint e = mint(i == j ? 1 : 2);
mint ret = num_ranges * ways * e * pw2[u + v];
sum += ret;
}
}
return sum;
}
void solve(){
mint ans(0);
A = vector<vector<int>>(n + 1, vector<int>(n + 1));
B = vector<vector<int>>(n + 1, vector<int>(n + 1));
C = vector<vector<int>>(n + 1, vector<int>(n + 1));
pw2.resize(max(16, q + 1), mint(0));
pw2[0] = mint(1);
for(int i = 1; i <= max(15, q); ++i){
pw2[i] = pw2[i - 1] + pw2[i - 1];
}
for(int a = 0; a < 7; ++a){
for(int b = 0; b < 7; ++b){
ans += contribution_of_pair(a, b);
}
}
cout << ans << '\n';
}
}
void testcase(){
cin >> n;
for(int i = 1; i <= n; ++i){
cin >> a[i];
}
cin >> q;
for(int i = 1; i <= q; ++i){
cin >> L[i] >> R[i] >> x[i];
}
last_subtask::solve();
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
#define filename "task"
if(fopen(filename".inp", "r")){
freopen(filename".inp", "r", stdin);
freopen(filename".out", "w", stdout);
}
int T = 1; //cin >> T;
while(T--) testcase();
return 0;
}
Compilation message
xorsum.cpp: In function 'bool minimize(T&, const T&)':
xorsum.cpp:15:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
15 | if(a > b) return a = b, true; return false;
| ^~
xorsum.cpp:15:35: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
15 | if(a > b) return a = b, true; return false;
| ^~~~~~
xorsum.cpp: In function 'bool maximize(T&, const T&)':
xorsum.cpp:20:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
20 | if(a < b) return a = b, true; return false;
| ^~
xorsum.cpp:20:35: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
20 | if(a < b) return a = b, true; return false;
| ^~~~~~
xorsum.cpp: In function 'int main()':
xorsum.cpp:199:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
199 | freopen(filename".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
xorsum.cpp:200:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
200 | freopen(filename".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
504 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
464 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
504 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
464 KB |
Output is correct |
| 6 |
Correct |
12 ms |
592 KB |
Output is correct |
| 7 |
Correct |
8 ms |
612 KB |
Output is correct |
| 8 |
Correct |
8 ms |
596 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
592 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
780 ms |
12112 KB |
Output is correct |
| 2 |
Correct |
835 ms |
12352 KB |
Output is correct |
| 3 |
Correct |
793 ms |
12116 KB |
Output is correct |
| 4 |
Correct |
798 ms |
12116 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
2 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
2 ms |
336 KB |
Output is correct |
| 4 |
Incorrect |
2 ms |
336 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
504 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
464 KB |
Output is correct |
| 6 |
Correct |
12 ms |
592 KB |
Output is correct |
| 7 |
Correct |
8 ms |
612 KB |
Output is correct |
| 8 |
Correct |
8 ms |
596 KB |
Output is correct |
| 9 |
Correct |
2 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
2 ms |
336 KB |
Output is correct |
| 12 |
Correct |
10 ms |
596 KB |
Output is correct |
| 13 |
Correct |
10 ms |
596 KB |
Output is correct |
| 14 |
Correct |
9 ms |
596 KB |
Output is correct |
| 15 |
Correct |
9 ms |
616 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
504 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
464 KB |
Output is correct |
| 6 |
Correct |
12 ms |
592 KB |
Output is correct |
| 7 |
Correct |
8 ms |
612 KB |
Output is correct |
| 8 |
Correct |
8 ms |
596 KB |
Output is correct |
| 9 |
Correct |
2 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
2 ms |
336 KB |
Output is correct |
| 12 |
Incorrect |
2 ms |
336 KB |
Output isn't correct |
| 13 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
504 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
464 KB |
Output is correct |
| 6 |
Correct |
12 ms |
592 KB |
Output is correct |
| 7 |
Correct |
8 ms |
612 KB |
Output is correct |
| 8 |
Correct |
8 ms |
596 KB |
Output is correct |
| 9 |
Incorrect |
10 ms |
592 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
