Compilare: main.cpp: In function 'int main()': main.cpp:40:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (i = 1; i <= M; i++) ^~~ main.cpp:44:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' printf("%d\n", sol); ^~~~~~ main.cpp:21:15: warning: unused variable 'k' [-Wunused-variable] int i, j, k; ^ main.cpp:22:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cercuri2.in", "r", stdin); ^ main.cpp:23:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cercuri2.out", "w", stdout); ^ main.cpp:25:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &R, &M); ^