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Submission #562576

# Submission time Handle Problem Language Result Execution time Memory
562576 2022-05-14T16:39:48 Z Leo121 Ideal city (IOI12_city) C++14
11 / 100
 1000 ms 1748 KB 
#include <bits/stdc++.h>
#define forn(i, a, b) for(int i = int (a); i <= int(b); ++ i)
#define fora(i, a, b) for(int i = int (a); i >= int(b); -- i)
#define pb push_back
#define fi first
#define se second
#define mp make_pair
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
int mx[4] = {0, 0, 1, -1};
int my[4] = {1, -1, 0, 0};
map<pii, pii> mapa;
queue<pii> q;
int mod = 1e9;
int res = 0;
void bfs(int ind){
    pii act;
    while(!q.empty()){
        act = q.front();
        q.pop();
        forn(i, 0, 3){
            if(mapa.count(mp(act.fi + mx[i], act.se + my[i]))){
                if(mapa[mp(act.fi + mx[i], act.se + my[i])].fi == -1){
                    mapa[mp(act.fi + mx[i], act.se + my[i])].fi = mapa[mp(act.fi, act.se)].fi + 1;
                    if(mapa[mp(act.fi + mx[i], act.se + my[i])].se > ind){
                        res += mapa[mp(act.fi + mx[i], act.se + my[i])].fi;
                        res %= mod;
                    }
                    q.push(mp(act.fi + mx[i], act.se + my[i]));
                }
            }
        }
    }
}

int DistanceSum(int N, int *X, int *Y) {
    forn(i, 0, N - 1){
        mapa[mp(X[i], Y[i])] = mp(0, i);
        forn(j, 0, N - 1){
            if(j != i){
                mapa[mp(X[j], Y[j])] = mp(-1, j);
            }
        }
        q.push(mp(X[i], Y[i]));
        bfs(i);
    }
    return res;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 4 ms 212 KB Output is correct
5 Correct 5 ms 212 KB Output is correct
6 Correct 20 ms 212 KB Output is correct
7 Correct 20 ms 316 KB Output is correct
8 Correct 21 ms 212 KB Output is correct
9 Correct 21 ms 212 KB Output is correct
10 Correct 22 ms 212 KB Output is correct
11 Correct 21 ms 320 KB Output is correct

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 758 ms 368 KB Output is correct
2 Correct 739 ms 360 KB Output is correct
3 Execution timed out 1098 ms 340 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1094 ms 1704 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1097 ms 1748 KB Time limit exceeded
2 Halted 0 ms 0 KB -