/*
author: Haunted_Cpp
"Persistence guarantees that results are inevitable"
*/
#include <iostream>
#include <algorithm>
#include <vector>
#pragma GCC optimize ("Ofast")
#pragma GCC target("fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#pragma GCC optimize("unroll-loops")
using namespace std;
const int N = 2e3 + 5;
char g [N][N];
string coluna [N];
string linha [N], ant_linha [N];
int main () {
ios::sync_with_stdio(0);
cin.tie(0);
int r, c;
cin >> r >> c;
for (int i = 0; i < r; i++) {
for (int j = 0; j < c; j++) {
cin >> g[i][j];
}
}
coluna[0] = g[0][0];
ant_linha[0] = g[0][0];
for (int i = 1; i < c; i++) {
ant_linha[i] = ant_linha[i - 1] + g[0][i];
}
for (int i = 1; i < r; i++) {
coluna[i] = coluna[i - 1] + g[i][0];
}
for (int i = 1; i < r; i++) {
for (int j = 1; j < c; j++) {
string A = ant_linha[j];
string B = (j == 1 ? coluna[i] : linha[j - 1]);
linha[j] = min (A, B) + g[i][j];
}
for (int j = 1; j < c; j++) {
ant_linha[j] = linha[j];
}
}
cout << linha[c - 1] << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
512 KB |
Output isn't correct |
2 |
Incorrect |
5 ms |
1792 KB |
Output isn't correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
640 KB |
Output is correct |
5 |
Correct |
10 ms |
2176 KB |
Output is correct |
6 |
Correct |
164 ms |
3452 KB |
Output is correct |
7 |
Execution timed out |
1093 ms |
12536 KB |
Time limit exceeded |
8 |
Execution timed out |
1088 ms |
22904 KB |
Time limit exceeded |
9 |
Correct |
7 ms |
768 KB |
Output is correct |
10 |
Correct |
37 ms |
1408 KB |
Output is correct |
11 |
Correct |
88 ms |
3192 KB |
Output is correct |
12 |
Correct |
251 ms |
5368 KB |
Output is correct |
13 |
Correct |
178 ms |
9592 KB |
Output is correct |
14 |
Execution timed out |
1096 ms |
22904 KB |
Time limit exceeded |
15 |
Correct |
12 ms |
896 KB |
Output is correct |
16 |
Execution timed out |
1091 ms |
13688 KB |
Time limit exceeded |