View Compilation Error

0_0_3183911_18932.cpp: In function `int main()':
0_0_3183911_18932.cpp:11: error: `s' undeclared (first use this function)
0_0_3183911_18932.cpp:11: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3183911_18932.cpp:16: error: break statement not within loop or switch