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Submission #89433

# Submission time Handle Problem Language Result Execution time Memory
89433 2018-12-14T10:02:20 Z Hideo Gift (IZhO18_nicegift) C++14
0 / 100
 471 ms 525312 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int N = 2e6 + 7;
const int INF = 1e9 + 7;

int a[N], p[N];
int n, k, s;

deque < pair < int, int > > dq[N];
vector < int > ans[N];

main(){
	cin >> n >> k;
	int mx = -1;
	for (int i = 0; i < n; i++){
        cin >> a[i];
        s += a[i];
        mx = max(mx, a[i]);
	}
	int h = s / k, cs = 0, c = 0;
	if (mx > h || s % k != 0){
        cout << -1;
        return 0;
	}
	for (int i = 0; i < n; i++){
        if(a[i] == 0) continue;
        if (cs + a[i] > h){
            a[i] -= (h - cs);
            dq[c].push_back(make_pair(h - cs, i));
            cs = 0; i--; c++;
            continue;
        }
        cs += a[i];
        dq[c].push_back(make_pair(a[i], i));
	}
	int g = 0;
	while (s != 0){
        int mn = -1;
        for (int i = 0; i < k; i++){
            if (mn == -1){
                mn = dq[i][p[i]].first;
                continue;
            }
            mn = min(mn, dq[i][p[i]].first);
        }
        ans[g].push_back(mn);
        for (int i = 0; i < k; i++){
            dq[i][p[i]].first -= mn;
            ans[g].push_back(dq[i][p[i]].second + 1);
            if(dq[i][p[i]].first == 0)
                p[i]++;
        }
        g++;
        s -= (mn * k);
	}
	cout << g << endl;
	int it = 0;
	while (it != g){
        for (int i = 0; i < ans[it].size(); i++){
            cout << ans[it][i] << " ";
        }
        cout << endl;
        it++;
	}
}

Compilation message

nicegift.cpp:14:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
nicegift.cpp: In function 'int main()':
nicegift.cpp:61:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < ans[it].size(); i++){
                         ~~^~~~~~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 471 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 471 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 471 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Runtime error 418 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Runtime error 471 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -