System Error
/in/foo.c: In function 'main':
/in/foo.c:13:5: warning: implicit declaration of function 'strcpy' [-Wimplicit-function-declaration]
strcpy(Sn, Sn2);
^~~~~~
/in/foo.c:13:5: warning: incompatible implicit declaration of built-in function 'strcpy'
/in/foo.c:13:5: note: include '<string.h>' or provide a declaration of 'strcpy'
/in/foo.c:10:12: warning: unused variable 'j' [-Wunused-variable]
int i, j, n;
^
FormatError('config file not found',)
代码
#include <stdio.h>
#define N 200000
int main()
{
char* sinA = "sin(%d%s%s)";
char* Sa = "%s+%d";
char* S = "(%s)%s";
char An[N] = "sin(1%s%s)", An2[N], An3[N], Sn[N] = "sin(1)+%d", Sn2[N];
int i, j, n;
scanf("%d", &n);
sprintf(Sn2, Sn, n);
strcpy(Sn, Sn2);
for (i = 2; i <= n; i++)
{
sprintf(An2, An, i % 2 == 0 ? "-" : "+", sinA);
strcpy(An, An2);
sprintf(An2, An, i, "%s", "%s");
strcpy(An, An2);
sprintf(An2, Sa, An, n - i + 1);
sprintf(An3, An2, "", "");
sprintf(Sn2, S, Sn, An3);
strcpy(Sn, Sn2);
sprintf(Sn2, Sn, n - i+ 1);
strcpy(Sn, Sn2);
}
printf("%s", Sn);
return 0;
}
