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Submission #394283

# Submission time Handle Problem Language Result Execution time Memory
394283 2021-04-26T10:53:52 Z snasibov05 Comparing Plants (IOI20_plants) C++14
0 / 100
 1 ms 284 KB 
#include "plants.h"

using namespace std;

vector<int> sum;
int sm = 0;
int n;

void init(int k, vector<int> r) {

    n = r.size();

    sum.resize(n);
    sum[0] = r[0];
    for (int i = 1; i < n; ++i) {
        sum[i] = sum[i-1] + r[i];
        sm += r[i];
    }

}

int compare_plants(int x, int y) {

    if (x > y) swap(x, y);

    int k = sum[y-1];
    if (x != 0) k -= sum[x-1];

    if (k == y - x) return -1;
    if (k == 0) return 1;

    k = sm - k;
    if (k == (n - y) + x) return 1;
    if (k == 0) return -1;

	return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 1 ms 280 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 1 ms 280 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 284 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Incorrect 1 ms 284 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 280 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -