Eroare de compilare: main.cpp:18:30: error: redefinition of 'int niv' int First[VAL], P, LOG[VAL], niv, X, Y, d; ^~~ main.cpp:15:38: note: 'int niv' previously declared here int N, M, Q, i, j, NODES, K, be, en, niv; ^~~ main.cpp: In function 'int main()': main.cpp:83:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pirati.in", "r", stdin); ^ main.cpp:84:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pirati.out", "w", stdout); ^ main.cpp:85:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &N, &M, &Q); ^ main.cpp:87:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", c[i]+1); ^ main.cpp:117:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &X1, &Y1, &X2, &Y2); ^ Non zero exit status: 1