Submission #736075

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
736075	2023-05-05 07:53:46	nguyentunglam	Council (JOI23_council)	C++17	100 / 100	895 ms	38044 KiB

council

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#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 3e5 + 10, M = 20;
bool a[N][M];
int f[2][1 << M], g[N], bit[1 << M], vote[M];
pair<int, int> dp[2][1 << M];
void add(int mask, int idx) {
    if (idx == -1) return;
    f[1][mask] = f[0][mask];
    f[0][mask] = idx;
}
void up(int mask, pair<int, int> tmp) {
    if (tmp.se == dp[1][mask].se || tmp.se == dp[0][mask].se) return;
    dp[1][mask] = max(dp[1][mask], tmp);
    if (dp[0][mask] < dp[1][mask]) swap(dp[0][mask], dp[1][mask]);
}
int main() {
    #define task ""
    cin.tie(0) -> sync_with_stdio(0);
    if (fopen ("task.inp", "r")) {
        freopen ("task.inp", "r", stdin);
        freopen ("task.out", "w", stdout);
    }
    if (fopen (task".inp", "r")) {
 
 
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Compilation message (stderr)

council.cpp: In function 'int main()':
council.cpp:27:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |         freopen ("task.inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
council.cpp:28:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         freopen ("task.out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
council.cpp:31:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
council.cpp:32:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 6 / 6
• Subtask 4: 19 / 19
• Subtask 5: 15 / 15
• Subtask 6: 22 / 22
• Subtask 7: 22 / 22