| ID | PROBLEM | DIFFICULTY | SOLVED | ||
|---|---|---|---|---|---|
| M151 | Range sum | Prefix sums | Easy | 0/0 | |
| M152 | Ilya and queries | Prefix sums | Easy | 0/0 | |
| M153 | XOR queries | Prefix sums | Easy | 0/0 | |
| M154 | Kuriyama's stones | Prefix sums | Easy | 0/0 | |
| M155 | Distinct split | Prefix sums | Easy | 0/0 | |
| M156 | Maximum subarray sum | Prefix sums | Medium | 0/0 | |
| M157 | Intense heat | Prefix sums | Medium | 0/0 | |
| M158 | Number of ways | Prefix sums | Medium | 0/0 | |
| M159 | Subarray divisibility | Prefix sums | Medium | 0/0 | |
| M160 | Subarray sums | Prefix sums | Medium | 0/0 | |
| M161 | Good subarrays | Prefix sums | Medium | 0/0 | |
| M162 | Coffee recipes | Prefix sums | Medium | 0/0 | |
| M163 | Maximum query sum | Prefix sums | Medium | 0/0 | |
| M164 | Greg and array | Prefix sums | Medium | 0/0 | |
| M165 | Forest queries | Prefix sums | Medium | 0/0 | |
| M166 | Counting rectangles | Prefix sums | Hard | 0/0 | |
| M167 | Maximum sum submatrix | Prefix sums | Hard | 0/0 | |
| M168 | Land area | Prefix sums | Hard | 0/0 | |
| M169 | Maximum subarray sum with length limits | Prefix sums | Hard | 0/0 | |
| M170 | The best vacation | Prefix sums | Hard | 0/0 |
