Compilare: main.cpp: In function 'int main()': main.cpp:122:34: warning: format '%s' expects argument of type 'char*', but argument 4 has type 'char (*)[500002]' [-Wformat=] scanf("%d%d\n%s", &n, &m, &si); ^ main.cpp:122:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n%s", &n, &m, &si); ^ main.cpp:127:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Q[i].ty); ^ main.cpp:131:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &Q[i].q1, &Q[i].q2, &Q[i].len); ^ main.cpp:138:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %c", &Q[i].q1, &ch); ^