oj.uz

Submission #1037345

# Submission time Handle Problem Language Result Execution time Memory
1037345 2024-07-28T14:23:02 Z Alfraganus Intergalactic ship (IZhO19_xorsum) C++17
17 / 100
 2000 ms 7420 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define str string
#define fastio ios::sync_with_stdio(0), cin.tie(0);
#define fs first
#define ss second
#define endl '\n'
#define all(x) (x).begin(), (x).end()
#define len(x) x.size()

#define print(a)          \
    for (auto &x : a)     \
        cout << x << " "; \
    cout << endl;

#define printmp(a)    \
    for (auto &x : a) \
        cout << x.fs << " " << x.ss << endl;

const int mod = 1e9 + 7;

vector<int> a;
vector<array<int, 3>> S;
int ans = 0;

void dfs(int p){
    for(int i = 0; i < a.size(); i ++){
        int sum = 0;
        for(int j = i; j < a.size(); j ++){
            sum += a[j];
            sum %= mod;
            ans = (ans + sum * sum) % mod;
        }
    }
    for(int j = p; j < S.size(); j ++){
        for(int x = S[j][0] - 1; x < S[j][1]; x ++)
            a[x] ^= S[j][2];
        dfs(j + 1);
        for(int x = S[j][0] - 1; x < S[j][1]; x ++)
            a[x] ^= S[j][2];
    }
}

void solve(){
    int n;
    cin >> n;
    a.resize(n);
    for(int i = 0; i < n; i ++)
        cin >> a[i];
    int q;
    cin >> q;
    S.resize(q);
    for(int i = 0; i < q; i ++)
        cin >> S[i][0] >> S[i][1] >> S[i][2];
    dfs(0);
    cout << ans;
}

signed main()
{
    fastio;
    #ifdef Javohir
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
    int t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
        cout << endl;
    }
}

Compilation message

xorsum.cpp: In function 'void dfs(long long int)':
xorsum.cpp:29:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i = 0; i < a.size(); i ++){
      |                    ~~^~~~~~~~~~
xorsum.cpp:31:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for(int j = i; j < a.size(); j ++){
      |                        ~~^~~~~~~~~~
xorsum.cpp:37:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(int j = p; j < S.size(); j ++){
      |                    ~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 452 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 452 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 21 ms 348 KB Output is correct
7 Correct 21 ms 348 KB Output is correct
8 Correct 21 ms 348 KB Output is correct

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2043 ms 7420 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2036 ms 344 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1908 ms 344 KB Output is correct
2 Correct 1904 ms 344 KB Output is correct
3 Correct 1883 ms 348 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1908 ms 344 KB Output is correct
2 Correct 1904 ms 344 KB Output is correct
3 Correct 1883 ms 348 KB Output is correct
4 Execution timed out 2062 ms 604 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 452 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 21 ms 348 KB Output is correct
7 Correct 21 ms 348 KB Output is correct
8 Correct 21 ms 348 KB Output is correct
9 Correct 1908 ms 344 KB Output is correct
10 Correct 1904 ms 344 KB Output is correct
11 Correct 1883 ms 348 KB Output is correct
12 Execution timed out 2075 ms 348 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 452 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 21 ms 348 KB Output is correct
7 Correct 21 ms 348 KB Output is correct
8 Correct 21 ms 348 KB Output is correct
9 Correct 1908 ms 344 KB Output is correct
10 Correct 1904 ms 344 KB Output is correct
11 Correct 1883 ms 348 KB Output is correct
12 Execution timed out 2062 ms 604 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 452 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 21 ms 348 KB Output is correct
7 Correct 21 ms 348 KB Output is correct
8 Correct 21 ms 348 KB Output is correct
9 Execution timed out 2043 ms 7420 KB Time limit exceeded
10 Halted 0 ms 0 KB -