Compilare: main.cpp: In function 'int main()': main.cpp:59:52: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:59:66: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:59:80: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:74:52: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:74:66: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:74:80: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:88:52: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:88:66: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:88:80: warning: array subscript has type 'char' [-Wchar-subscripts] a[lin][col][et].trec=a[coada[inc].l][coada[inc].c][coada[inc].e].trec+1; ^ main.cpp:21:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("traseu3.in","r",stdin); ^ main.cpp:22:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("traseu3.out","w",stdout); ^ main.cpp:23:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:24:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&k1,&l1,&c1); ^ main.cpp:25:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&k2,&l2,&c2); ^ main.cpp:28:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&xx1,&xx2,&xx3); ^