oj.uz

Submission #372672

# Submission time Handle Problem Language Result Execution time Memory
372672 2021-03-01T09:23:58 Z two_sides 산악 구조대 (JOI13_mountain) C++17
0 / 100
 9 ms 492 KB 
#include <bits/stdc++.h>
#include "grader.h"

using namespace std;

void Rescue(int r, int c, int rs, int cs, int x) {
    int lim = max({rs + cs - 2, rs - 1 + c - cs,
    r - rs + cs - 1, r - rs + c - cs});
    auto getRand = [&](int d) {
        if (d < 0) return INT_MAX;
        if (d > lim) return INT_MIN;
        for (int i = 1; i <= r; i++)
            for (int j = 1; j <= c; j++)
                if (abs(i - rs) + abs(j - cs) == d)
                    return Measure(i, j);
    };
    int curd;
    for (int i = lim; i > 0; i--)
        if (getRand(i + 1) < x) curd = i;
        else break;
    int ma = INT_MIN;
    for (int i = 1; i <= r; i++)
        for (int j = 1; j <= c; j++)
            if (abs(i - rs) + abs(j - rs) == curd) {
                int val = Measure(i, j);
                if (val == x) {
                    Pinpoint(i, j); return;
                }
                ma = max(ma, val);
            }
    if (ma < x) curd--; else curd++;
    for (int i = 1; i <= r; i++)
        for (int j = 1; j <= c; j++)
            if (abs(i - rs) + abs(j - rs) == curd) {
                int val = Measure(i, j);
                if (val == x) {
                    Pinpoint(i, j); return;
                }
            }
}

Compilation message

mountain.cpp: In lambda function:
mountain.cpp:16:5: warning: control reaches end of non-void function [-Wreturn-type]
   16 |     };
      |     ^
mountain.cpp: In function 'void Rescue(int, int, int, int, int)':
mountain.cpp:31:34: warning: 'curd' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |     if (ma < x) curd--; else curd++;
      |                              ~~~~^~

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 492 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -