Compilare: main.cpp: In function 'bool epot(int, int)': main.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == strlen(m)-1){ ~~^~~~~~~~~~~~~~ main.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == strlen(v)-1){ ~~^~~~~~~~~~~~~~ main.cpp:21:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(j < strlen(v)-1){ ~~^~~~~~~~~~~~~ main.cpp:24:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(i < strlen(m)-1){ ~~^~~~~~~~~~~~~ main.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == strlen(v)-1){ ~~^~~~~~~~~~~~~~ main.cpp:26:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == strlen(m)-2 && m[strlen(m)-1] == '*'){ ~~^~~~~~~~~~~~~~ main.cpp:30:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(j < strlen(v)-1){ ~~^~~~~~~~~~~~~ main.cpp:38:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == strlen(m)-1){ ~~^~~~~~~~~~~~~~ main.cpp:39:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == strlen(v)-1){ ~~^~~~~~~~~~~~~~ main.cpp:41:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(j < strlen(v)-1){ ~~^~~~~~~~~~~~~ main.cpp:44:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(i < strlen(m)-1){ ~~^~~~~~~~~~~~~ main.cpp:45:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == strlen(v)-1){ ~~^~~~~~~~~~~~~~ main.cpp:47:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(j < strlen(v)-1){ ~~^~~~~~~~~~~~~ main.cpp:53:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == strlen(m)-1){ ~~^~~~~~~~~~~~~~ main.cpp:56:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(l = j; l < strlen(v); l++){ ~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:82:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < strlen(mi); j++){ ~~^~~~~~~~~~~~