oj.uz

Submission #278008

# Submission time Handle Problem Language Result Execution time Memory
278008 2020-08-21T08:37:51 Z 반딧불(#5119) Shopping Plans (CCO20_day2problem3) C++17
0 / 25
 2341 ms 1048580 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, vector<int> > pivi;

int n, m, k;
vector<ll> arr[200002];
priority_queue<pivi> pq;
ll ans[200002];
set<ll> st;
ll sum = 0;

ll hsh(vector<int>& v){
    ll ret = 0;
    for(auto &x: v) ret *= 26137, ret += x, ret %= 1000000007;
    return ret;
}

int main(){
    scanf("%d %d %d", &n, &m, &k);
    for(int i=1; i<=n; i++){
        int x; ll y;
        scanf("%d %lld", &x, &y);
        arr[x].push_back(y);
    }
    for(int i=1; i<=m; i++){
        int x, y;
        scanf("%d %d", &x, &y);
    }

    for(int i=1; i<=m; i++) sort(arr[i].begin(), arr[i].end());
    for(int i=1; i<=m; i++){
        if(arr[i].empty()){
            while(k--) printf("-1\n");
            return 0;
        }
        sum += arr[i][0];
    }

    vector<int> zeroVec (m, 0);
    pq.push({-sum, zeroVec});
    st.insert(hsh(zeroVec));

    for(int d=1; d<=k; d++){
        if(pq.empty()) break;
        auto tmp = pq.top(); pq.pop();
//        for(int i=0; i<m; i++) printf("%d ", tmp.second[i]); puts("");
        ans[d] = -tmp.first;
        for(int i=0; i<m; i++){
            if(tmp.second[i] == (int)arr[i+1].size()-1) continue;
            tmp.second[i]++;
            ll tsh = hsh(tmp.second);
            if(st.find(tsh) == st.end())
                st.insert(tsh), pq.push(make_pair(-(-tmp.first + arr[i+1][tmp.second[i]] - arr[i+1][tmp.second[i]-1]), tmp.second));
            tmp.second[i]--;
        }
    }

    for(int d=1; d<=k; d++){
        printf("%lld\n", ans[d] ? ans[d] : -1);
    }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   22 |     scanf("%d %d %d", &n, &m, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:25:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   25 |         scanf("%d %lld", &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:30:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |         scanf("%d %d", &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 2341 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 2285 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 2341 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 5632 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 2341 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -