Compilare: main.cpp: In function 'int exp()': main.cpp:18:26: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp:23:26: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp: In function 'int termen()': main.cpp:37:26: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp:42:26: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp: In function 'int factor()': main.cpp:54:22: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp:56:22: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp:63:26: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp: In function 'int main()': main.cpp:74:18: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=] scanf("%c", c); ^ main.cpp: In function 'int exp()': main.cpp:18:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", c); ^ main.cpp:23:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", c); ^ main.cpp: In function 'int termen()': main.cpp:37:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", c); ^ main.cpp:42:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", c); ^ main.cpp: In function 'int factor()': main.cpp:54:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", c); ^ main.cpp:56:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", c); ^ main.cpp:63:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]