Submission #773821

#TimeUsernameProblemLanguageResultExecution timeMemory
773821Sam_a17Virus Experiment (JOI19_virus)C++17
0 / 100
39 ms5512 KiB
#define _CRT_SECURE_NO_WARNINGS #include <bits/stdc++.h> //#include "temp.cpp" #include <cstdio> using namespace std; #ifndef ONLINE_JUDGE #define dbg(x) cerr << #x <<" "; print(x); cerr << endl; #else #define dbg(x) #endif #define sz(x) (int)x.size() #define len(x) (int)x.length() #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define clr(x) (x).clear() #define uniq(x) x.resize(unique(all(x)) - x.begin()); #define blt __builtin_popcount #define pb push_back #define popf pop_front #define popb pop_back #define ld long double #define ll long long void print(long long t) {cerr << t;} void print(int t) {cerr << t;} void print(string t) {cerr << t;} void print(char t) {cerr << t;} void print(double t) {cerr << t;} void print(long double t) {cerr << t;} void print(unsigned long long t) {cerr << t;} #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; #define nl '\n' // Indexed Set template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; template <class T, class V> void print(pair <T, V> p); template <class T> void print(vector <T> v); template <class T> void print(set <T> v); template <class T, class V> void print(map <T, V> v); template <class T> void print(multiset <T> v); template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]";} template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";} template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";} // template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";} template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";} template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";} template <class T> void print(Tree <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";} template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";} template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";} // for random generations mt19937 myrand(chrono::steady_clock::now().time_since_epoch().count()); // mt19937 myrand(131); // for grid problems int dx[8] = {-1,0,1,0,1,-1,1,-1}; int dy[8] = {0,1,0,-1,1,1,-1,-1}; // lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6 void fastIO() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); } // file in/out void setIO(string str = "") { fastIO(); if(str == "input") { freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); } else if(str != "") { freopen((str + ".in").c_str(), "r", stdin); freopen((str + ".out").c_str(), "w", stdout); } } const int inf = 1e9; const int N = 805; int a[N][N]; int m, r, c; void solve_() { cin >> m >> r >> c; string s; cin >> s; s += s; set<char> st; int flag = 1; for(auto i: s) { st.insert(i); if(i == 'N' || i == 'S') { flag = 0; } } for(int i = 1; i <= r; i++) { for(int j = 1; j <= c; j++) { cin >> a[i][j]; } } if(flag) { int max_w = 0, max_e = 0; if(sz(st) == 1) { if(*st.begin() == 'W') max_w = inf; else max_e = inf; } else { assert(false); int n = sz(s); int lst = 0; char ch = '+'; for(int i = 0; i < n; i++) { if(s[i] == ch) { lst++; } else { lst = 1; ch = s[i]; } if(s[i] == 'W') { max_w = max(max_w, lst); } else { max_e = max(max_e, lst); } } } pair<int, int> pat; pat = {inf, 0}; for(int i = 1; i <= r; i++) { for(int j = 1; j <= c; j++) { if(a[i][j] == 0) continue; int l = j - 1, ri = j + 1, cnt = 1; while(l >= 1 && a[i][l] && a[i][l] <= max_w) { l--; cnt++; } while(ri <= c && a[i][ri] && a[i][ri] <= max_e) { ri++; cnt++; } if(pat.first == cnt) { pat.second++; } else if(cnt < pat.first) { pat = {cnt, 1}; } } } cout << pat.first << "\n"; cout << pat.second << "\n"; } else { } } int main() { setIO(); auto solve = [&](int test_case)-> void { for(int i = 1; i <= test_case; i++) { solve_(); } }; int test_cases = 1; // cin >> test_cases; solve(test_cases); return 0; }

Compilation message (stderr)

virus.cpp: In function 'void setIO(std::string)':
virus.cpp:76:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
virus.cpp:77:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
virus.cpp:79:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
virus.cpp:80:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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