oj.uz

Submission #1111368

# Submission time Handle Problem Language Result Execution time Memory
1111368 2024-11-12T07:47:39 Z Requiem Teams (CEOI11_tea) C++17
0 / 100
 2212 ms 34376 KB 
#include<bits/stdc++.h>
#define int long long
#define pb push_back
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#define MOD 1000000007
#define inf 1e18
#define fi first
#define se second
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define FORD(i,a,b) for(int i=a;i>=b;i--)
#define sz(a) ((int)(a).size())
#define endl '\n'
#define pi 3.14159265359
#define TASKNAME "teams"
using namespace std;
template<typename T> bool maximize(T &res, const T &val) { if (res < val){ res = val; return true; }; return false; }
template<typename T> bool minimize(T &res, const T &val) { if (res > val){ res = val; return true; }; return false; }
typedef pair<int,int> ii;
typedef pair<int,ii> iii;
typedef vector<int> vi;
const int MAXN = 3e5 + 9;
int dp[MAXN];
int n;

ii ord[MAXN];
ii trace[MAXN];

int numTeams = 0;
vector<int> teams[MAXN];
void traced(int i){


    int type = trace[i].se;
    if (type == 1){
        ++numTeams;
        FOR(j, trace[i].fi + 1, i){
            teams[numTeams].pb(ord[j].se);
        }
    }

    if (trace[i].fi == 0){
        return;
    }
    traced(trace[i].fi);

}
main()
{
    fast;
    if (fopen(TASKNAME".inp","r")){
        freopen(TASKNAME".inp","r",stdin);
        freopen(TASKNAME".out","w",stdout);
    }
    cin >> n;
    FOR(i, 1, n){
        cin >> ord[i].fi;
        ord[i].se = i;
    }

    sort(ord + 1, ord + 1 + n);
    FOR(i, 1, n){

        FORD(j, i - ord[i].fi, 0){
            if (maximize(dp[i], dp[j] + 1)){
                trace[i] = {j, 1};
            }
        }
    }
    cout << dp[n] << endl;
    traced(n);
    FOR(i, 1, dp[n]){
        cout << teams[i].size() << ' ';
        for(auto x: teams[i]){
            cout << x << ' ';
        }
        cout << endl;
    }
}
/**
Warning:
Đọc sai đề???
Cận lmao
Code imple thiếu case nào không.
Limit.
**/

Compilation message

tea.cpp:47:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main()
      | ^~~~
tea.cpp: In function 'int main()':
tea.cpp:51:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         freopen(TASKNAME".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
tea.cpp:52:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |         freopen(TASKNAME".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12880 KB Output is correct
2 Incorrect 3 ms 12880 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 12880 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 12880 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 13132 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 12880 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1352 ms 16688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2212 ms 18752 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 14928 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 15004 KB Integer 0 violates the range [1, 1000000]
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 55 ms 34376 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -