Compilare: main.cpp: In function 'int main()': main.cpp:61:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d\n", &n, &m) ; ^ main.cpp:65:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d ", &mat[i][j]) ; ^ main.cpp:42:19: warning: array subscript is above array bounds [-Warray-bounds] if (dp[x][y][dir]) { ~~~~~~~~~~~~^