Compilare: main.cpp: In function 'int main()': main.cpp:39:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &mapSize); ^ main.cpp:44:50: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &Map[line][column]); ^ main.cpp:49:34: warning: 'startColumn' may be used uninitialized in this function [-Wmaybe-uninitialized] int maxSize = -1, startLine, startColumn; ^~~~~~~~~~~ main.cpp:49:23: warning: 'startLine' may be used uninitialized in this function [-Wmaybe-uninitialized] int maxSize = -1, startLine, startColumn; ^~~~~~~~~