Submission #1516205
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int INF = 1145141919; string c[305]; int cost[305][305][305], dp[305][305][305]; int main() { cin.tie(0); ios::sync_with_stdio(false); int H, W; cin >> H >> W; for (int i = 0; i < H; i++) { cin >> c[i]; } for (int i = 0; i < W - 1; i++) { for (int j = 0; j <= H; j++) { for (int k = 0; k <= H; k++) { cost[i][j][k] = cost[i][max(j - 1, 0)][max(k - 1, 0)]; if (j == 0 || k == 0) continue; cost[i][j][k] += (c[j - 1][i] == c[k - 1][i + 1]); } } } for (int i = 0; i < W - 1; i++) { for (int j = 0; j <= H; j++) { for (int k = 0; k <= H; k++) { dp[i][j][k] = INF; } } } for (int i = 0; i < W - 1; i++) dp[i][H][H] = 0; int ans = 0; for (int i = 0; i < W - 1; i++) { for (int j = H; j >= 0; j--) { for (int k = H; k >= 0; k--) { if (j > 0) dp[i][j - 1][k] = min(dp[i][j - 1][k], dp[i][j][k] + cost[i][j][k]); if (k > 0) dp[i][j][k - 1] = min(dp[i][j][k - 1], dp[i][j][k] + cost[i][j][k]); } } ans += dp[i][0][0]; } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Friction |
User | fine |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 1124 Byte |
Status | AC |
Exec Time | 246 ms |
Memory | 221568 KB |
Judge Result
Set Name | Sample | Subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | 500 / 500 | ||||||
Status |
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Set Name | Test Cases |
---|---|
Sample | 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 0_004.txt |
Subtask | 0_000.txt, 0_001.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt |
All | 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 0_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 2_023.txt, 2_024.txt, 2_025.txt, 2_026.txt, 2_027.txt, 2_028.txt, 2_029.txt, 2_030.txt, 2_031.txt, 2_032.txt, 2_033.txt, 2_034.txt, 2_035.txt, 2_036.txt, 2_037.txt, 2_038.txt, 2_039.txt, 2_040.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_000.txt | AC | 1 ms | 2304 KB |
0_001.txt | AC | 1 ms | 2304 KB |
0_002.txt | AC | 1 ms | 2304 KB |
0_003.txt | AC | 1 ms | 2304 KB |
0_004.txt | AC | 2 ms | 6528 KB |
1_005.txt | AC | 1 ms | 2304 KB |
1_006.txt | AC | 3 ms | 3072 KB |
1_007.txt | AC | 3 ms | 3072 KB |
1_008.txt | AC | 3 ms | 3072 KB |
1_009.txt | AC | 3 ms | 3072 KB |
1_010.txt | AC | 3 ms | 3072 KB |
1_011.txt | AC | 3 ms | 3072 KB |
1_012.txt | AC | 3 ms | 3072 KB |
1_013.txt | AC | 2 ms | 2688 KB |
1_014.txt | AC | 3 ms | 3072 KB |
1_015.txt | AC | 2 ms | 2816 KB |
1_016.txt | AC | 3 ms | 3072 KB |
1_017.txt | AC | 1 ms | 2432 KB |
1_018.txt | AC | 3 ms | 3072 KB |
1_019.txt | AC | 2 ms | 2816 KB |
1_020.txt | AC | 3 ms | 3072 KB |
1_021.txt | AC | 3 ms | 3072 KB |
1_022.txt | AC | 3 ms | 3072 KB |
2_023.txt | AC | 42 ms | 215296 KB |
2_024.txt | AC | 246 ms | 221568 KB |
2_025.txt | AC | 246 ms | 221568 KB |
2_026.txt | AC | 245 ms | 221568 KB |
2_027.txt | AC | 246 ms | 221568 KB |
2_028.txt | AC | 246 ms | 221568 KB |
2_029.txt | AC | 50 ms | 207616 KB |
2_030.txt | AC | 246 ms | 221568 KB |
2_031.txt | AC | 41 ms | 172800 KB |
2_032.txt | AC | 246 ms | 221568 KB |
2_033.txt | AC | 80 ms | 179584 KB |
2_034.txt | AC | 246 ms | 221568 KB |
2_035.txt | AC | 142 ms | 131328 KB |
2_036.txt | AC | 246 ms | 221568 KB |
2_037.txt | AC | 11 ms | 23936 KB |
2_038.txt | AC | 246 ms | 221568 KB |
2_039.txt | AC | 13 ms | 39808 KB |
2_040.txt | AC | 246 ms | 221568 KB |