Compilare: main.cpp: In function 'int isomorph(int, int)': main.cpp:87:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < A[a].size(); i++) ~~^~~~~~~~~~~~~ main.cpp:90:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < B[b].size(); i++) ~~^~~~~~~~~~~~~ main.cpp:102:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] DP[a][b] = (match(A[a].size(), B[b].size()) == B[b].size()) ? 1 : -1; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:85:9: warning: unused variable 'i' [-Wunused-variable] int i = 0, j = 0; ^ main.cpp:85:16: warning: unused variable 'j' [-Wunused-variable] int i = 0, j = 0; ^ main.cpp: In function 'void read()': main.cpp:147:34: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buffer, BMax, 1, stdin); ^ main.cpp: In function 'int main()': main.cpp:169:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sakura.in", "r", stdin); ^