Submission #1143037

#	Time	Username	Problem	Language	Result	Execution time	Memory
1143037		hewhocooks	Tracks in the Snow (BOI13_tracks)	C++17	Compilation error	0 ms	0 KiB

tracks

#include <bits/stdc++.h>
// #include <atcoder/all>
using namespace std;
#define all(x) (x).begin(), (x).end()
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pair<int, int>> vpi;
typedef pair<int, int> pi;
#define f first
#define s second
#define pb push_back
#define endl "\n"
#define yes cout << "YES" << endl
#define no cout << "NO" << endl
int dx[] = {-1, 0, 1, 0};
int dy[] = {0, 1, 0, -1};
const int mod1 = 1e9 + 7, mod2 = 998244353, INF = 2e18, N = 2e5 + 5, L = 19;
int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); }
// -----------------------------------------------------------------------------
int n, m, depth[N][N];
string snow[N];
bool inside(int x, int y)
{
    return (x >= 0 && x < n && y >= 0 && y < m && snow[x][y] != '.');
}
void solve()
{
    cin >> n >> m;
    for (int i = 0; i < n; i++)
    {
        cin >> snow[i];
        fill(depth[i], depth[i] + m, 0);
    }
    int ans = 0;
    deque<pi> dq;
    dq.push_back({0, 0});
    depth[0][0] = 1;
    while (!dq.empty())
    {
        auto [x, y] = dq.front();
        dq.pop_front();
        ans = max(ans, depth[x][y]);
        for (int i = 0; i < 4; i++)
        {
            int newx = x + dx[i], newy = y + dy[i];
            if (inside(newx, newy) && depth[newx][newy] == 0)
            {
                if (snow[x][y] == snow[newx][newy])
                {
                    depth[newx][newy] = depth[x][y];
                    dq.push_front({newx, newy});
                }
                else
                {
                    depth[newx][newy] = depth[x][y] + 1;
                    dq.push_back({newx, newy});
                }
            }
        }
    }
    cout << ans << endl;
}

signed main()
{
    // __START__;
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    cin >> t;
    while (t--)
    {
        solve();
    }
    // __END__;
    return 0;
}

Compilation message (stderr)

tracks.cpp:17:51: warning: overflow in conversion from 'double' to 'int' changes value from '2.0e+18' to '2147483647' [-Woverflow]
   17 | const int mod1 = 1e9 + 7, mod2 = 998244353, INF = 2e18, N = 2e5 + 5, L = 19;
      |                                                   ^~~~
/tmp/ccND3wP6.o: in function `inside(int, int)':
tracks.cpp:(.text+0x8e): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccND3wP6.o
tracks.cpp:(.text+0x9a): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccND3wP6.o
/tmp/ccND3wP6.o: in function `solve()':
tracks.cpp:(.text+0x1b9): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccND3wP6.o
tracks.cpp:(.text+0x1cd): relocation truncated to fit: R_X86_64_PC32 against symbol `std::cin' defined in .bss._ZSt3cin section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
tracks.cpp:(.text+0x201): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccND3wP6.o
tracks.cpp:(.text+0x20f): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccND3wP6.o
tracks.cpp:(.text+0x235): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccND3wP6.o
tracks.cpp:(.text+0x25c): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccND3wP6.o
tracks.cpp:(.text+0x3fa): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccND3wP6.o
tracks.cpp:(.text+0x43e): relocation truncated to fit: R_X86_64_PC32 against symbol `std::cout' defined in .bss._ZSt4cout section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
tracks.cpp:(.text+0x493): additional relocation overflows omitted from the output
/usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(ios_init.o): in function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x1c): failed to convert GOTPCREL relocation against '_ZNSt8ios_base4Init11_S_refcountE'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x1c6): failed to convert GOTPCREL relocation against '_ZSt4cout'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x260): failed to convert GOTPCREL relocation against '_ZSt3cin'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x2e2): failed to convert GOTPCREL relocation against '_ZSt4cerr'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x353): failed to convert GOTPCREL relocation against '_ZSt4clog'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x541): failed to convert GOTPCREL relocation against '_ZSt5wcout'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x5e5): failed to convert GOTPCREL relocation against '_ZSt4wcin'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x670): failed to convert GOTPCREL relocation against '_ZSt5wcerr'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x6e9): failed to convert GOTPCREL relocation against '_ZSt5wclog'; relink with --no-relax
collect2: error: ld returned 1 exit status