| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 97910 |
2019-02-19T13:43:54 Z |
SuperJava |
Mecho (IOI09_mecho) |
C++17 |
|
1000 ms |
13200 KB |
//fold
#ifndef KHALIL
#include <bits/stdc++.h>
#else
#include "header.h"
#endif
#define endl '\n'
#define mp make_pair
#define tostr(x) static_cast<ostringstream&>((ostringstream()<<dec<<x)).str()
#define rep(i,begin,end) for(auto i = begin;i < end;i++)
#define repr(i,begin,end) for(auto i = begin-1;i >= end;i--)
#define pb push_back
#define sz(a) ((int)(a).size())
#define fi first
#define se second
#define abs(a) ((a) < (0) ? (-1)*(a) : (a))
#define SQ(a) ((a)*(a))
#define eqd(a,b) (abs(a-b)<1e-9)
#define X real()
#define Y imag()
using namespace std;
typedef long long ll;
typedef long double ld;
template <typename t> t in(t q){cin >> q;return q;}
template <typename T> ostream& operator<<(ostream& os, const vector<T>& v){os << "[";for (int i = 0; i < sz(v); ++i) { os << v[i]; if (i != sz(v) - 1) os << ",";}os << "]";return os;}
template <typename T, typename S>ostream& operator<<(ostream& os, const map<T, S>& v){for (auto it : v)os << "(" << it.first << ":" << it.second << ")";return os;}
template <typename T, typename S>ostream& operator<<(ostream& os, const pair<T, S>& v){os << "(" << v.first << "," << v.second << ")";return os;}
const long double PI = acosl(-1);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng);}
//endfold
#define N (805)
#define MOD (1000000000l + 7l)
#define OO (1050000000)
#define OOL (1100000000000000000)
int b[N][N];
int z[N][N];
int n,s;
int dr[4] = {1,-1,0,0};
int dc[4] = {0,0,1,-1};
pair<int,int> target;
void reset(){
rep(i,0,n){
rep(j,0,n){
z[i][j] = b[i][j];
}
}
}
void simulate(int steps){
if(steps == 0) return;
queue<pair<pair<int,int>,int>> q;
rep(i,0,n){
rep(j,0,n){
if(z[i][j] == 1){
q.push({{i,j},0});
}
}
}
while(!q.empty()){
auto t = q.front(); q.pop();
int r = t.first.first;
int c = t.first.second;
rep(i,0,4){
int nr = r+dr[i];
int nc = c+dc[i];
if(nr >= 0 && nr < n && nc >= 0 && nc < n){
if(z[nr][nc] != -1 && z[nr][nc] != 1 && !(nr == target.first && nc == target.second)){
z[nr][nc] = 1;
if(t.second != steps-1){
q.push({{nr,nc},t.second+1});
}
}
}
}
}
}
int simulate2(int steps){
queue<pair<pair<int,int>,int>> q;
rep(i,0,n){
rep(j,0,n){
if(z[i][j] == 2){
q.push({{i,j},0});
}
}
}
if(q.size() == 0) return -1;
while(!q.empty()){
auto t = q.front(); q.pop();
int r = t.first.first;
int c = t.first.second;
rep(i,0,4){
int nr = r+dr[i];
int nc = c+dc[i];
if(nr >= 0 && nr < n && nc >= 0 && nc < n){
if(z[nr][nc] == 0){
z[nr][nc] = 2;
if(t.second != steps-1){
q.push({{nr,nc},t.second+1});
}
}
}
}
}
return 1;
}
int main(){
//fold
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cout << setprecision(10);
//endfold
cin >> n >> s;
rep(i,0,n){
string q;
cin >> q;
map<char,int> pw = {{'T',-1},{'G',0},
{'H',1},{'M',2},{'D',0}};
rep(j,0,n){
if(q[j] == 'D') target = {i,j};
b[i][j] = pw[q[j]];
}
}
int l = 0,r = n*n/2,best = -1;
while(l <= r){
int mid = (l+r)/2;
reset();
simulate(mid);
bool good = false;
while(simulate2(s) > 0){
if(z[target.first][target.second] == 2){
good = true;
break;
}
simulate(1);
}
if(good){
best = mid;
l = mid+1;
}else{
r = mid-1;
}
}
cout << best;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
384 KB |
Output is correct |
| 6 |
Correct |
3 ms |
384 KB |
Output is correct |
| 7 |
Execution timed out |
1048 ms |
12700 KB |
Time limit exceeded |
| 8 |
Correct |
3 ms |
512 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
3 ms |
512 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
3 ms |
768 KB |
Output is correct |
| 13 |
Correct |
3 ms |
768 KB |
Output is correct |
| 14 |
Correct |
14 ms |
768 KB |
Output is correct |
| 15 |
Correct |
3 ms |
512 KB |
Output is correct |
| 16 |
Correct |
3 ms |
512 KB |
Output is correct |
| 17 |
Correct |
2 ms |
512 KB |
Output is correct |
| 18 |
Correct |
3 ms |
512 KB |
Output is correct |
| 19 |
Correct |
4 ms |
512 KB |
Output is correct |
| 20 |
Correct |
3 ms |
512 KB |
Output is correct |
| 21 |
Correct |
4 ms |
640 KB |
Output is correct |
| 22 |
Correct |
3 ms |
640 KB |
Output is correct |
| 23 |
Correct |
4 ms |
640 KB |
Output is correct |
| 24 |
Correct |
4 ms |
640 KB |
Output is correct |
| 25 |
Correct |
12 ms |
768 KB |
Output is correct |
| 26 |
Correct |
6 ms |
768 KB |
Output is correct |
| 27 |
Correct |
9 ms |
768 KB |
Output is correct |
| 28 |
Correct |
7 ms |
768 KB |
Output is correct |
| 29 |
Correct |
7 ms |
768 KB |
Output is correct |
| 30 |
Correct |
7 ms |
768 KB |
Output is correct |
| 31 |
Correct |
13 ms |
816 KB |
Output is correct |
| 32 |
Correct |
9 ms |
1024 KB |
Output is correct |
| 33 |
Execution timed out |
1055 ms |
3604 KB |
Time limit exceeded |
| 34 |
Correct |
436 ms |
3412 KB |
Output is correct |
| 35 |
Execution timed out |
1060 ms |
3964 KB |
Time limit exceeded |
| 36 |
Execution timed out |
1038 ms |
4128 KB |
Time limit exceeded |
| 37 |
Correct |
747 ms |
4052 KB |
Output is correct |
| 38 |
Execution timed out |
1070 ms |
4416 KB |
Time limit exceeded |
| 39 |
Execution timed out |
1074 ms |
4756 KB |
Time limit exceeded |
| 40 |
Correct |
905 ms |
4760 KB |
Output is correct |
| 41 |
Execution timed out |
1069 ms |
4872 KB |
Time limit exceeded |
| 42 |
Execution timed out |
1057 ms |
5420 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1058 ms |
5396 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1074 ms |
5372 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1054 ms |
6100 KB |
Time limit exceeded |
| 46 |
Execution timed out |
1057 ms |
5972 KB |
Time limit exceeded |
| 47 |
Execution timed out |
1049 ms |
6464 KB |
Time limit exceeded |
| 48 |
Execution timed out |
1059 ms |
6588 KB |
Time limit exceeded |
| 49 |
Execution timed out |
1066 ms |
6640 KB |
Time limit exceeded |
| 50 |
Execution timed out |
1059 ms |
7080 KB |
Time limit exceeded |
| 51 |
Execution timed out |
1047 ms |
7248 KB |
Time limit exceeded |
| 52 |
Execution timed out |
1049 ms |
7280 KB |
Time limit exceeded |
| 53 |
Execution timed out |
1044 ms |
7968 KB |
Time limit exceeded |
| 54 |
Execution timed out |
1050 ms |
7972 KB |
Time limit exceeded |
| 55 |
Execution timed out |
1060 ms |
8104 KB |
Time limit exceeded |
| 56 |
Execution timed out |
1063 ms |
8732 KB |
Time limit exceeded |
| 57 |
Execution timed out |
1066 ms |
8728 KB |
Time limit exceeded |
| 58 |
Execution timed out |
1063 ms |
8760 KB |
Time limit exceeded |
| 59 |
Execution timed out |
1048 ms |
9400 KB |
Time limit exceeded |
| 60 |
Execution timed out |
1071 ms |
9592 KB |
Time limit exceeded |
| 61 |
Execution timed out |
1072 ms |
9496 KB |
Time limit exceeded |
| 62 |
Execution timed out |
1066 ms |
10140 KB |
Time limit exceeded |
| 63 |
Execution timed out |
1065 ms |
7704 KB |
Time limit exceeded |
| 64 |
Execution timed out |
1056 ms |
10400 KB |
Time limit exceeded |
| 65 |
Execution timed out |
1057 ms |
10328 KB |
Time limit exceeded |
| 66 |
Execution timed out |
1054 ms |
7916 KB |
Time limit exceeded |
| 67 |
Execution timed out |
1058 ms |
10260 KB |
Time limit exceeded |
| 68 |
Execution timed out |
1056 ms |
9828 KB |
Time limit exceeded |
| 69 |
Execution timed out |
1042 ms |
9648 KB |
Time limit exceeded |
| 70 |
Execution timed out |
1020 ms |
9536 KB |
Time limit exceeded |
| 71 |
Execution timed out |
1063 ms |
9560 KB |
Time limit exceeded |
| 72 |
Correct |
540 ms |
9836 KB |
Output is correct |
| 73 |
Execution timed out |
1081 ms |
9944 KB |
Time limit exceeded |
| 74 |
Execution timed out |
1069 ms |
13012 KB |
Time limit exceeded |
| 75 |
Execution timed out |
1050 ms |
12636 KB |
Time limit exceeded |
| 76 |
Execution timed out |
1057 ms |
12936 KB |
Time limit exceeded |
| 77 |
Execution timed out |
1063 ms |
12836 KB |
Time limit exceeded |
| 78 |
Execution timed out |
1074 ms |
12756 KB |
Time limit exceeded |
| 79 |
Execution timed out |
1036 ms |
13168 KB |
Time limit exceeded |
| 80 |
Execution timed out |
1062 ms |
13104 KB |
Time limit exceeded |
| 81 |
Execution timed out |
1033 ms |
12860 KB |
Time limit exceeded |
| 82 |
Execution timed out |
1043 ms |
13156 KB |
Time limit exceeded |
| 83 |
Execution timed out |
1012 ms |
12724 KB |
Time limit exceeded |
| 84 |
Execution timed out |
1010 ms |
13200 KB |
Time limit exceeded |
| 85 |
Execution timed out |
1027 ms |
11792 KB |
Time limit exceeded |
| 86 |
Execution timed out |
1065 ms |
13176 KB |
Time limit exceeded |
| 87 |
Execution timed out |
1052 ms |
12836 KB |
Time limit exceeded |
| 88 |
Execution timed out |
1060 ms |
13152 KB |
Time limit exceeded |
| 89 |
Execution timed out |
1079 ms |
11608 KB |
Time limit exceeded |
| 90 |
Execution timed out |
1031 ms |
12532 KB |
Time limit exceeded |
| 91 |
Execution timed out |
1010 ms |
12852 KB |
Time limit exceeded |
| 92 |
Execution timed out |
1074 ms |
12972 KB |
Time limit exceeded |
