#include <bits/stdc++.h> using namespace std; const char *ENDL = "\n"; map<int, map<int, long long int>> colorMap; //struct ColorTable { // const int MOD; // ColorTable(const int mod) : // MOD(mod) { // } //}; void printNotExists(int m) { cout << 0 << ENDL; for (int i = 1; i < m; i++) { cout << "-1" << ENDL; } } void printMap() { for (auto entry : colorMap) { cout << entry.first << ":" << endl; for (auto pair : entry.second) { cout << "\t" << pair.first << " " << pair.second << endl; } } } struct ColorTableBuilder { const int MOD; ColorTableBuilder(const int mod) : MOD(mod) { } void joinColorTables(vector<vector<long long int>> &all, vector<vector<long long int>> &one) { long long int allRowValue, currentResultValue, newValue; int resultIndex; for (int col = 1; col < MOD; col++) { vector<long long int> resultCol(MOD, -1); vector<int> notEmptyRestOneIndexes; for (int i = 0; i < MOD; i++) { if (one[i][col] >= 0) { notEmptyRestOneIndexes.push_back(i); } } for (int rowi = 0; rowi < MOD; rowi++) { allRowValue = all[rowi][col]; if (allRowValue >= 0) { for (int oneIndex : notEmptyRestOneIndexes) { resultIndex = (oneIndex + rowi) % MOD; // currentResultValue = resultCol[rowi]; currentResultValue = resultCol[resultIndex]; newValue = all[rowi][col] + one[oneIndex][col]; if (currentResultValue < 0) { resultCol[resultIndex] = newValue; } else if (currentResultValue > newValue) { resultCol[resultIndex] = newValue; } } } } for (int i = 0; i < MOD; i++) { all[i][col] = resultCol[i]; } } } void fillColorTable(vector<vector<long long int>> &ctb, const map<int, long long int> &colorData) { ctb[0][0] = 0; int updatedRow; long long int currentValue, newValue, prevColValue; for (int col = 1; col < MOD; col++) { // clear col for (int row = 0; row < MOD; row++) { ctb[row][col] = -1; } for (int row = 0; row < MOD; row++) { prevColValue = ctb[row][col - 1]; if (prevColValue >= 0) { for (auto colorEntry : colorData) { updatedRow = (row + colorEntry.first) % MOD; currentValue = ctb[updatedRow][col]; newValue = prevColValue + colorEntry.second; if (currentValue < 0) { ctb[updatedRow][col] = newValue; } else if (currentValue > newValue) { ctb[updatedRow][col] = newValue; } } } } } } void print2DVector(vector<vector<long long int>> &v) { for (int i = 0; i < MOD; i++) { for (int j = 0; j < MOD; j++) cout << v[i][j] << "\t "; cout << endl; } cout << "---" << endl; } }; int main() { // ifstream cin("tests/0a.in"); // ifstream cin("tests/4.in"); cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int n, k, m, ki, mi, miCounter = 0; long long int ci, tmp; cin >> n; cin >> k; cin >> m; for (int i = 0; i < n; i++) { cin >> ki; cin >> mi; cin >> ci; if (mi != m) { miCounter++; } tmp = colorMap[ki][mi]; if (tmp == 0) { colorMap[ki][mi] = ci; } else { colorMap[ki][mi] = min(tmp, ci); } } if (colorMap.size() != (unsigned) k || miCounter == 0) { printNotExists(m); return 0; } // printMap(); ColorTableBuilder ctb(m); // Initializing the 2-D vector vector<vector<long long int>> allColorsTable(m, vector<long long int>(m, -1)); vector<vector<long long int>> oneColorTable(m, vector<long long int>(m, -1)); ctb.fillColorTable(allColorsTable, colorMap[1]); // ctb.print2DVector(allColorsTable); for (int i = 2; i <= k; i++) { ctb.fillColorTable(oneColorTable, colorMap[i]); ctb.joinColorTables(allColorsTable, oneColorTable); } // ctb.print2DVector(oneColorTable); // ctb.print2DVector(allColorsTable); long long int out; int j = 0; for (int i = 0; i < m; i++) { out = -1; for (j = 0; j < m; j++) { if (allColorsTable[i][j] >= 0) { if (out < 0) { out = allColorsTable[i][j]; // << ENDL; } else if (allColorsTable[i][j] < out) { out = allColorsTable[i][j]; // << ENDL; } } } cout << out << ENDL; } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | #include <bits/stdc++.h> using namespace std; const char *ENDL = "\n"; map<int, map<int, long long int>> colorMap; //struct ColorTable { // const int MOD; // ColorTable(const int mod) : // MOD(mod) { // } //}; void printNotExists(int m) { cout << 0 << ENDL; for (int i = 1; i < m; i++) { cout << "-1" << ENDL; } } void printMap() { for (auto entry : colorMap) { cout << entry.first << ":" << endl; for (auto pair : entry.second) { cout << "\t" << pair.first << " " << pair.second << endl; } } } struct ColorTableBuilder { const int MOD; ColorTableBuilder(const int mod) : MOD(mod) { } void joinColorTables(vector<vector<long long int>> &all, vector<vector<long long int>> &one) { long long int allRowValue, currentResultValue, newValue; int resultIndex; for (int col = 1; col < MOD; col++) { vector<long long int> resultCol(MOD, -1); vector<int> notEmptyRestOneIndexes; for (int i = 0; i < MOD; i++) { if (one[i][col] >= 0) { notEmptyRestOneIndexes.push_back(i); } } for (int rowi = 0; rowi < MOD; rowi++) { allRowValue = all[rowi][col]; if (allRowValue >= 0) { for (int oneIndex : notEmptyRestOneIndexes) { resultIndex = (oneIndex + rowi) % MOD; // currentResultValue = resultCol[rowi]; currentResultValue = resultCol[resultIndex]; newValue = all[rowi][col] + one[oneIndex][col]; if (currentResultValue < 0) { resultCol[resultIndex] = newValue; } else if (currentResultValue > newValue) { resultCol[resultIndex] = newValue; } } } } for (int i = 0; i < MOD; i++) { all[i][col] = resultCol[i]; } } } void fillColorTable(vector<vector<long long int>> &ctb, const map<int, long long int> &colorData) { ctb[0][0] = 0; int updatedRow; long long int currentValue, newValue, prevColValue; for (int col = 1; col < MOD; col++) { // clear col for (int row = 0; row < MOD; row++) { ctb[row][col] = -1; } for (int row = 0; row < MOD; row++) { prevColValue = ctb[row][col - 1]; if (prevColValue >= 0) { for (auto colorEntry : colorData) { updatedRow = (row + colorEntry.first) % MOD; currentValue = ctb[updatedRow][col]; newValue = prevColValue + colorEntry.second; if (currentValue < 0) { ctb[updatedRow][col] = newValue; } else if (currentValue > newValue) { ctb[updatedRow][col] = newValue; } } } } } } void print2DVector(vector<vector<long long int>> &v) { for (int i = 0; i < MOD; i++) { for (int j = 0; j < MOD; j++) cout << v[i][j] << "\t "; cout << endl; } cout << "---" << endl; } }; int main() { // ifstream cin("tests/0a.in"); // ifstream cin("tests/4.in"); cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int n, k, m, ki, mi, miCounter = 0; long long int ci, tmp; cin >> n; cin >> k; cin >> m; for (int i = 0; i < n; i++) { cin >> ki; cin >> mi; cin >> ci; if (mi != m) { miCounter++; } tmp = colorMap[ki][mi]; if (tmp == 0) { colorMap[ki][mi] = ci; } else { colorMap[ki][mi] = min(tmp, ci); } } if (colorMap.size() != (unsigned) k || miCounter == 0) { printNotExists(m); return 0; } // printMap(); ColorTableBuilder ctb(m); // Initializing the 2-D vector vector<vector<long long int>> allColorsTable(m, vector<long long int>(m, -1)); vector<vector<long long int>> oneColorTable(m, vector<long long int>(m, -1)); ctb.fillColorTable(allColorsTable, colorMap[1]); // ctb.print2DVector(allColorsTable); for (int i = 2; i <= k; i++) { ctb.fillColorTable(oneColorTable, colorMap[i]); ctb.joinColorTables(allColorsTable, oneColorTable); } // ctb.print2DVector(oneColorTable); // ctb.print2DVector(allColorsTable); long long int out; int j = 0; for (int i = 0; i < m; i++) { out = -1; for (j = 0; j < m; j++) { if (allColorsTable[i][j] >= 0) { if (out < 0) { out = allColorsTable[i][j]; // << ENDL; } else if (allColorsTable[i][j] < out) { out = allColorsTable[i][j]; // << ENDL; } } } cout << out << ENDL; } return 0; } |