제출 #1096499

#제출 시각아이디문제언어결과실행 시간메모리
1096499lmToT27Bitaro the Brave (JOI19_ho_t1)C++14
100 / 100
60 ms25008 KiB
#include <bits/stdc++.h> #define all(dataStructure) dataStructure.begin(),dataStructure.end() #define ll long long using namespace std; namespace std { template <typename T, int D> struct _vector : public vector <_vector <T, D - 1>> { static_assert(D >= 1, "Dimension must be positive!"); template <typename... Args> _vector(int n = 0, Args... args) : vector <_vector <T, D - 1>> (n, _vector <T, D - 1> (args...)) {} }; // _vector <int, 3> a(n, m, k);: int a[n][m][k]. // _vector <int, 3> a(n, m, k, x);: int a[n][m][k] initialized with x. template <typename T> struct _vector <T, 1> : public vector <T> { _vector(int n = 0, const T& val = T()) : vector <T> (n, val) {} }; } const int MAX = 3e3 + 3; const ll MOD[] = {1000000007, 998244353}; int n, m; string st[MAX]; int r[MAX][256], c[MAX][256]; void Solve() { cin >> n >> m; for (int i = 0; i < n; i++) { cin >> st[i]; } ll res = 0; for (int i = n - 1; i >= 0; i--) { for (int j = m - 1; j >= 0; j--) { r[i][st[i][j]]++; c[j][st[i][j]]++; if (st[i][j] == 'J') res += r[i]['O'] * c[j]['I']; } } cout << res; } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); #define TASK "TASK" if (fopen(TASK".INP", "r")) { freopen(TASK".INP", "r", stdin); freopen(TASK".OUT", "w", stdout); } /* int TEST = 1; cin >> TEST; while (TEST--) */ Solve(); cerr << "\nTime elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << "s\n"; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t1.cpp: In function 'void Solve()':
joi2019_ho_t1.cpp:37:38: warning: array subscript has type 'char' [-Wchar-subscripts]
   37 |                         r[i][st[i][j]]++;
      |                                      ^
joi2019_ho_t1.cpp:38:38: warning: array subscript has type 'char' [-Wchar-subscripts]
   38 |                         c[j][st[i][j]]++;
      |                                      ^
joi2019_ho_t1.cpp: In function 'int32_t main()':
joi2019_ho_t1.cpp:51:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |                 freopen(TASK".INP", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:52:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |                 freopen(TASK".OUT", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...