| ... | ... |
@@ -117,13 +117,13 @@ |
| 117 | 117 |
++len; |
| 118 | 118 |
} |
| 119 | 119 |
return len; |
| 120 | 120 |
} |
| 121 | 121 |
|
| 122 | 122 |
bool empty() const {
|
| 123 |
return source |
|
| 123 |
return predMatrixMap(source, target) == INVALID; |
|
| 124 | 124 |
} |
| 125 | 125 |
|
| 126 | 126 |
class RevArcIt {
|
| 127 | 127 |
public: |
| 128 | 128 |
RevArcIt() {}
|
| 129 | 129 |
RevArcIt(Invalid) : path(0), current(INVALID) {}
|
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