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View Compilation Error

0_0_30229544_20251.cpp: In function 'int main()':
0_0_30229544_20251.cpp:261:20: error: 'read' was not declared in this scope
     for (read(ncase); ncase--; ) {
                    ^
0_0_30229544_20251.cpp:261:20: note: suggested alternative:
0_0_30229544_20251.cpp:247:7: note:   'IO::read'
  bool read(int& x) {
       ^


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