Compilare: user.cpp:27:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘int main()’: user.cpp:59:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int r = 0; r < a[l][k].size(); r++){ ^ user.cpp:76:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int z = 0; z < a[xe][ye].size(); z++){ ^ user.cpp:32:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pf, "%d", &T); ^ user.cpp:34:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pf, "%d %d %d", &N, &M, &K); ^ user.cpp:35:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pf, "%d", &P); ^ user.cpp:42:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pf, "%d %d %d", &an, &n, &m); ^ user.cpp:49:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pf, "%d", &Q); ^ user.cpp:56:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pf, "%d %d %d %d", &xs, &ys, &xe, &ye); ^