Submission #1135841

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1135841	2025-01-14 06:04:58	Thanhs	Building 4 (JOI20_building4)	C++20	0 / 100	15 ms	31812 KiB

building4

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#include <bits/stdc++.h>
using namespace std;
#define name "TENBAI"
#define fi first
#define se second
#define int long long
#define endl '\n'
#define setmin(x, y) x = min((x), (y))
#define setmax(x, y) x = max((x), (y))
#define sqr(x) ((x) * (x))
mt19937 hdp(chrono::high_resolution_clock::now().time_since_epoch().count());
int rand(int l, int r){return l + ((hdp() % (r - l + 1)) + r - l + 1) % (r - l + 1);}
const int NM = 1e6 + 5;
int n, dp[NM][2][2], a[NM][2];
void solve()
{
    memset(dp, -1, sizeof dp);
    cin >> n;
    for (int i = 0; i < 2; i++)
        for (int j = 1; j <= 2 * n; j++)
            cin >> a[j][i];
    dp[1][0][0] = dp[1][0][1] = 1;
    dp[1][1][0] = dp[1][1][1] = 0;
    for (int i = 1; i < 2 * n; i++)
        for (int j = 0; j < 2; j++)
 
 
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Compilation message (stderr)

building4.cpp: In function 'int main()':
building4.cpp:90:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   90 |         freopen("in.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
building4.cpp:91:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |         freopen("out.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
building4.cpp:95:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   95 |         freopen(name".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
building4.cpp:96:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |         freopen(name".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 89