#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
#ifdef local
void CHECK();
void setio(){
freopen("/Users/iantsai/cpp/input.txt","r",stdin);
freopen("/Users/iantsai/cpp/output.txt","w",stdout);
}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
#define TOI_is_so_de ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);setio();
const int mxn = 1e5+5, inf = 1e18, mxc = 805;
char w[2*mxn];
int t, n, m, mxw = 0, mxe = 0, v[mxc][mxc], st[10][mxc][mxc];
int get(int i, int l, int r){
int k = __lg(r-l+1);
return max(st[k][i][l], st[k][i][r-(1<<k)+1]);
}
signed main(){
TOI_is_so_de;
cin >> t >> n >> m;
for(int i=1;i<=t;i++){
cin >> w[i];
w[i+t] = w[i];
}
int cnt = 0;
for(int i=1;i<=2*t;i++){
if(w[i] == w[i-1]){
cnt++;
}
else{
cnt = 1;
}
if(w[i] == 'W'){
chmax(mxw, cnt);
}
else{
chmax(mxe, cnt);
}
}
if(mxw == 2*t) mxw = inf;
if(mxe == 2*t) mxe = inf;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
cin >> v[i][j];
if(v[i][j] == 0) v[i][j] = inf;
st[0][i][j] = v[i][j];
}
}
for(int i=1;i<10;i++){
for(int j=1;j<=n;j++){
for(int k=1;k+(1<<i)-1<=m;k++){
st[i][j][k] = max(st[i-1][j][k], st[i-1][j][k+(1 << i-1)]);
}
}
}
int best = inf;
cnt = 0;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(v[i][j] == inf) continue;
int ll = 1, lr = j, rl = j, rr = m;
while(ll < lr){
int mm = ll + lr >> 1;
if(get(i, mm, j-1) > mxe){
ll = mm+1;
}
else{
lr = mm;
}
}
while(rl < rr){
int mm = rl + rr + 1 >> 1;
if(get(i, j+1, mm) > mxw){
rr = mm-1;
}
else{
rl = mm;
}
}
debug(i, j, ll, rl);
if(rl-ll+1 < best){
best = rl-ll+1;
cnt = 1;
}
else if(rl-ll+1 == best){
cnt++;
}
}
}
cout << best << '\n' << cnt << '\n';
#ifdef local
CHECK();
#endif
}
/*
input:
*/
#ifdef local
void CHECK(){
cerr << "\n[Time]: " << 1000.0 * clock() / CLOCKS_PER_SEC << " ms.\n";
function<bool(string,string)> compareFiles = [](string p1, string p2)->bool {
std::ifstream file1(p1);
std::ifstream file2(p2);
if (!file1.is_open() || !file2.is_open())return false;
std::string line1, line2;
while (getline(file1, line1) && getline(file2, line2)) {
if (line1 != line2)return false;
}
int cnta=0,cntb=0;
while(getline(file1,line1))cnta++;
while(getline(file2,line2))cntb++;
return cntb-cnta<=1;
};
bool check = compareFiles("output.txt","expected.txt");
if (check) cerr<<"ACCEPTED\n";
else cerr<<"WRONG ANSWER!\n";
}
#else
#endif
Compilation message
virus.cpp: In function 'int main()':
virus.cpp:91:70: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
91 | st[i][j][k] = max(st[i-1][j][k], st[i-1][j][k+(1 << i-1)]);
| ~^~
virus.cpp:102:29: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
102 | int mm = ll + lr >> 1;
| ~~~^~~~
virus.cpp:111:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
111 | int mm = rl + rr + 1 >> 1;
| ~~~~~~~~^~~
virus.cpp: In function 'void setIO(std::string)':
virus.cpp:35:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
35 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
virus.cpp:36:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
36 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 2 |
Correct |
86 ms |
57264 KB |
Output is correct |
| 3 |
Correct |
89 ms |
59536 KB |
Output is correct |
| 4 |
Correct |
79 ms |
57200 KB |
Output is correct |
| 5 |
Correct |
88 ms |
59472 KB |
Output is correct |
| 6 |
Correct |
2 ms |
9048 KB |
Output is correct |
| 7 |
Correct |
80 ms |
57424 KB |
Output is correct |
| 8 |
Correct |
36 ms |
34644 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4700 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 2 |
Correct |
86 ms |
57264 KB |
Output is correct |
| 3 |
Correct |
89 ms |
59536 KB |
Output is correct |
| 4 |
Correct |
79 ms |
57200 KB |
Output is correct |
| 5 |
Correct |
88 ms |
59472 KB |
Output is correct |
| 6 |
Correct |
2 ms |
9048 KB |
Output is correct |
| 7 |
Correct |
80 ms |
57424 KB |
Output is correct |
| 8 |
Correct |
36 ms |
34644 KB |
Output is correct |
| 9 |
Incorrect |
1 ms |
4700 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
