Submission #938028

#TimeUsernameProblemLanguageResultExecution timeMemory
938028TAhmed33Tracks in the Snow (BOI13_tracks)C++98
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define int long long int dx[4] = {0, -1, 0, 1}; int dy[4] = {1, 0, -1, 0}; int comp[4001][4001] = {}; char arr[4001][4001]; int n, m; bool check (int i, int j) { return (i >= 1 && i <= n && j >= 1 && j <= m && arr[i][j] != '.'); } void dfs (int i, int j) { for (int l = 0; l < 4; l++) { if (check(i + dx[l], j + dy[l]) && comp[i + dx[l]][j + dy[l]] == 0 && arr[i + dx[l]][j + dy[l]] == arr[i][j]) { comp[i + dx[l]][j + dy[l]] = comp[i][j]; dfs(i + dx[l], j + dy[l]); } } } vector <int> adj[160000001]; bool vis[160000001]; signed main () { memset(vis, false, sizeof(vis)); cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) cin >> arr[i][j]; int c = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (comp[i][j] == 0 && arr[i][j] != '.') { c++; comp[i][j] = c; dfs(i, j); } } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (arr[i][j] == '.') continue; for (int l = 0; l < 4; l++) { if (check(i + dx[l], j + dy[l])) { if (comp[i + dx[l]][j + dy[l]] != comp[i][j]) { adj[comp[i][j]].push_back(comp[i + dx[l]][j + dy[l]]); adj[comp[i + dx[l]][j + dy[l]]].push_back(comp[i][j]); } } } } } queue <int> cur; cur.push(comp[1][1]); vis[comp[1][1]] = 1; int cnt = 1; int ans = 0; while (!cur.empty()) { auto u = cur.size(); while (u--) { int k = cur.front(); cur.pop(); ans = cnt; for (auto j : adj[k]) if (!vis[j]) { vis[j] = 1; cur.push(j); } } cnt++; } cout << ans << '\n'; }

Compilation message (stderr)

/tmp/ccePa49d.o: in function `check(long long, long long)':
tracks.cpp:(.text+0x5e): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccePa49d.o
tracks.cpp:(.text+0x75): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccePa49d.o
tracks.cpp:(.text+0x85): relocation truncated to fit: R_X86_64_PC32 against symbol `arr' defined in .bss section in /tmp/ccePa49d.o
/tmp/ccePa49d.o: in function `dfs(long long, long long)':
tracks.cpp:(.text+0xb0): relocation truncated to fit: R_X86_64_PC32 against symbol `arr' defined in .bss section in /tmp/ccePa49d.o
tracks.cpp:(.text+0xf4): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccePa49d.o
tracks.cpp:(.text+0x123): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccePa49d.o
tracks.cpp:(.text+0x142): relocation truncated to fit: R_X86_64_PC32 against symbol `comp' defined in .bss section in /tmp/ccePa49d.o
tracks.cpp:(.text+0x173): relocation truncated to fit: R_X86_64_PC32 against symbol `arr' defined in .bss section in /tmp/ccePa49d.o
/tmp/ccePa49d.o: in function `main':
tracks.cpp:(.text.startup+0x3b): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccePa49d.o
tracks.cpp:(.text.startup+0x42): 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/10/libstdc++.a(globals_io.o)
tracks.cpp:(.text.startup+0x4e): additional relocation overflows omitted from the output
/usr/bin/ld: failed to convert GOTPCREL relocation; relink with --no-relax
collect2: error: ld returned 1 exit status