View Compilation Error

0_0_15176962_15218.cpp:5:1: error: missing terminating " character
 printf("%d\n,1+2+...+100);
 ^
0_0_15176962_15218.cpp: In function 'int main()':
0_0_15176962_15218.cpp:6:1: error: expected primary-expression before 'return'
 return 0;
 ^