Submission #3016182
Source Code Expand
#include <algorithm> #include <cstdio> char str[105]; int row_pre[105][105], col_pre[105][105], dp[105][105][105][105]; int main() { // freopen("AGC004-E.in", "r", stdin); int n, m, x, y; scanf("%d%d", &n, &m); for (int i = 0; i < n; i++) { scanf("%s", str); for (int j = 0; j < m; j++) { row_pre[i][j] = (j ? row_pre[i][j - 1] : 0) + (str[j] == 'o'); col_pre[i][j] = (i ? col_pre[i - 1][j] : 0) + (str[j] == 'o'); if (str[j] == 'E') { x = i; y = j; } } } auto calc_row = [&] (int idx, int l, int r) { int ll = std::max(l, r - y), rr = std::min(r, m - 1 - y + l); if (ll > rr) return 0; return row_pre[idx][rr] - (ll ? row_pre[idx][ll - 1] : 0); }; auto calc_col = [&] (int idx, int l, int r) { int ll = std::max(l, r - x), rr = std::min(r, n - 1 - x + l); if (ll > rr) return 0; return col_pre[rr][idx] - (ll ? col_pre[ll - 1][idx] : 0); }; auto upd = [&] (int &a, const int &b) { if (a < b) a = b; }; for (int i = 0; i <= x; i++) { for (int j = n - 1; j >= x; j--) { for (int k = 0; k <= y; k++) { for (int t = m - 1; t >= y; t--) { if (i > j - x) upd(dp[i][j][k][t], dp[i - 1][j][k][t] + calc_row(i - 1, k, t)); if (j < n - 1 - x + i) upd(dp[i][j][k][t], dp[i][j + 1][k][t] + calc_row(j + 1, k, t)); if (k > t - y) upd(dp[i][j][k][t], dp[i][j][k - 1][t] + calc_col(k - 1, i, j)); if (t < m - 1 - y + k) upd(dp[i][j][k][t], dp[i][j][k][t + 1] + calc_col(t + 1, i, j)); } } } } printf("%d\n", dp[x][x][y][y]); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Salvage Robots |
User | diamond_duke |
Language | C++14 (GCC 5.4.1) |
Score | 1400 |
Code Size | 1633 Byte |
Status | AC |
Exec Time | 110 ms |
Memory | 235776 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:9:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ ./Main.cpp:12:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", str); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1400 / 1400 | ||||
Status |
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Set Name | Test Cases |
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Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt, 1_70.txt, 1_71.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 2176 KB |
0_01.txt | AC | 1 ms | 128 KB |
0_02.txt | AC | 1 ms | 4224 KB |
0_03.txt | AC | 1 ms | 4352 KB |
1_00.txt | AC | 1 ms | 128 KB |
1_01.txt | AC | 1 ms | 128 KB |
1_02.txt | AC | 1 ms | 2176 KB |
1_03.txt | AC | 1 ms | 2176 KB |
1_04.txt | AC | 2 ms | 4608 KB |
1_05.txt | AC | 3 ms | 6400 KB |
1_06.txt | AC | 51 ms | 205056 KB |
1_07.txt | AC | 53 ms | 209152 KB |
1_08.txt | AC | 98 ms | 225536 KB |
1_09.txt | AC | 61 ms | 203008 KB |
1_10.txt | AC | 13 ms | 31360 KB |
1_11.txt | AC | 69 ms | 213248 KB |
1_12.txt | AC | 52 ms | 103552 KB |
1_13.txt | AC | 43 ms | 145664 KB |
1_14.txt | AC | 71 ms | 217344 KB |
1_15.txt | AC | 10 ms | 13696 KB |
1_16.txt | AC | 75 ms | 162304 KB |
1_17.txt | AC | 35 ms | 103680 KB |
1_18.txt | AC | 60 ms | 205056 KB |
1_19.txt | AC | 74 ms | 192768 KB |
1_20.txt | AC | 71 ms | 196864 KB |
1_21.txt | AC | 84 ms | 223488 KB |
1_22.txt | AC | 79 ms | 221440 KB |
1_23.txt | AC | 60 ms | 200960 KB |
1_24.txt | AC | 53 ms | 198912 KB |
1_25.txt | AC | 57 ms | 211200 KB |
1_26.txt | AC | 5 ms | 12800 KB |
1_27.txt | AC | 5 ms | 14464 KB |
1_28.txt | AC | 58 ms | 223488 KB |
1_29.txt | AC | 60 ms | 215296 KB |
1_30.txt | AC | 52 ms | 190720 KB |
1_31.txt | AC | 61 ms | 227584 KB |
1_32.txt | AC | 55 ms | 200960 KB |
1_33.txt | AC | 4 ms | 10240 KB |
1_34.txt | AC | 54 ms | 205056 KB |
1_35.txt | AC | 62 ms | 221440 KB |
1_36.txt | AC | 10 ms | 32768 KB |
1_37.txt | AC | 1 ms | 2560 KB |
1_38.txt | AC | 53 ms | 198912 KB |
1_39.txt | AC | 7 ms | 18304 KB |
1_40.txt | AC | 110 ms | 215296 KB |
1_41.txt | AC | 105 ms | 215296 KB |
1_42.txt | AC | 90 ms | 192768 KB |
1_43.txt | AC | 98 ms | 194816 KB |
1_44.txt | AC | 87 ms | 174464 KB |
1_45.txt | AC | 105 ms | 223488 KB |
1_46.txt | AC | 105 ms | 199040 KB |
1_47.txt | AC | 96 ms | 194816 KB |
1_48.txt | AC | 97 ms | 194944 KB |
1_49.txt | AC | 109 ms | 213248 KB |
1_50.txt | AC | 93 ms | 194816 KB |
1_51.txt | AC | 99 ms | 211200 KB |
1_52.txt | AC | 96 ms | 186752 KB |
1_53.txt | AC | 109 ms | 217344 KB |
1_54.txt | AC | 101 ms | 215296 KB |
1_55.txt | AC | 97 ms | 194816 KB |
1_56.txt | AC | 52 ms | 107520 KB |
1_57.txt | AC | 94 ms | 227584 KB |
1_58.txt | AC | 57 ms | 113664 KB |
1_59.txt | AC | 85 ms | 235776 KB |
1_60.txt | AC | 86 ms | 229632 KB |
1_61.txt | AC | 36 ms | 80512 KB |
1_62.txt | AC | 90 ms | 233728 KB |
1_63.txt | AC | 82 ms | 221440 KB |
1_64.txt | AC | 63 ms | 182528 KB |
1_65.txt | AC | 47 ms | 99456 KB |
1_66.txt | AC | 78 ms | 211200 KB |
1_67.txt | AC | 67 ms | 184576 KB |
1_68.txt | AC | 80 ms | 213248 KB |
1_69.txt | AC | 76 ms | 217344 KB |
1_70.txt | AC | 81 ms | 215296 KB |
1_71.txt | AC | 82 ms | 227584 KB |