Compilare: main.cpp: In function 'void solve(int)': main.cpp:11:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j = 1; j <= k; ++j) ^~~ main.cpp:13:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' bool ok = 1; ^~~~ main.cpp: In function 'int main()': main.cpp:33:65: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=] for(int j = 1; j <= nr; ++j) scanf("%d", a[i][++a[i][0]]); ^ main.cpp:28:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pluricex.in", "r", stdin); ^ main.cpp:29:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pluricex.out", "w", stdout); ^ main.cpp:30:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &cate, &m); ^ main.cpp:32:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &nr); ^ main.cpp:33:66: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(int j = 1; j <= nr; ++j) scanf("%d", a[i][++a[i][0]]); ^