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CS50 Lecture1
- 1. This is CS50
- 2. 01111111 01000101 01001100 01000110 00000010 00000001 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000010 00000000 00111110 00000000 00000001 00000000 00000000 00000000 10110000 00000101 01000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 11010000 00010011 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 00111000 00000000 00001001 00000000 01000000 00000000 00100100 00000000 00100001 00000000 00000110 00000000 00000000 00000000 00000101 00000000 00000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 11111000 00000001 00000000 00000000 00000000 00000000 00000000 00000000 11111000 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00001000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000011 00000000 00000000 00000000 00000100 00000000 00000000 00000000 00111000 00000010 00000000 00000000 00000000 00000000 00000000 00000000 ...
- 3. hello, world
- 4. input output
- 9. 72 73 33 1001000 1001001 100001
- 10. H I ! 72 73 33 1001000 1001001 100001
- 11. 72 73 33
- 15. input output
- 16. algorithms
- 23. C
- 24. #include <stdio.h> int main(void) { printf("hello, worldn"); }
- 25. #include <stdio.h> int main(void) { printf("hello, worldn"); }
- 26. #include <stdio.h> int main(void) { printf("hello, worldn"); }
- 27. #include <stdio.h> int main(void) { printf("hello, worldn"); }
- 28. C
- 36. int counter = 0;
- 37. int counter = 0;
- 38. int counter = 0;
- 39. int counter = 0;
- 40. counter = counter + 1;
- 41. counter = counter + 1;
- 42. counter = counter + 1;
- 43. counter += 1;
- 44. counter++;
- 45. if (x < y) { printf("x is less than yn"); }
- 46. if (x < y) { printf("x is less than yn"); }
- 47. if (x < y) { printf("x is less than yn"); } else { printf("x is not less than yn"); }
- 48. if (x < y) { printf("x is less than yn"); } else { printf("x is not less than yn"); }
- 49. if (x < y) { printf("x is less than yn"); } else if (x > y) { printf("x is greater than yn"); } else if (x == y) { printf("x is equal to yn"); }
- 50. if (x < y) { printf("x is less than yn"); } else if (x > y) { printf("x is greater than yn"); } else if (x == y) { printf("x is equal to yn"); }
- 51. if (x < y) { printf("x is less than yn"); } else if (x > y) { printf("x is greater than yn"); } else if (x == y) { printf("x is equal to yn"); }
- 52. if (x < y) { printf("x is less than yn"); } else if (x > y) { printf("x is greater than yn"); } else { printf("x is equal to yn"); }
- 53. if (x < y) { printf("x is less than yn"); } else if (x > y) { printf("x is greater than yn"); } else { printf("x is equal to yn"); }
- 66. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 67. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 68. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 69. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 70. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 71. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 72. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 73. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 74. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 75. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 76. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 77. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 78. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 79. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 80. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 81. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 82. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 83. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 84. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 85. for (int i = 0; i < 50; i++) { printf("hello, worldn"); }
- 86. string answer = get_string("What's your name?n"); printf("%s", answer);
- 87. string answer = get_string("What's your name?n"); printf("%s", answer);
- 88. string answer = get_string("What's your name?n"); printf("%s", answer);
- 89. string answer = get_string("What's your name?n"); printf("%s", answer);
- 90. string answer = get_string("What's your name?n"); printf("%sn", answer);
- 91. string answer = get_string("What's your name?n"); printf("%sn", answer);
- 92. string answer = get_string("What's your name?n"); printf("%sn", answer);
- 93. string answer = get_string("What's your name?n"); printf("hello, %s", answer);
- 94. string answer = get_string("What's your name?n"); printf("hello, %s", answer);
- 95. string answer = get_string("What's your name?n"); printf("hello, %sn", answer);
- 96. string answer = get_string("What's your name?n"); printf("hello, %sn", answer);
- 97. string answer = get_string("What's your name?n"); printf("hello, %sn", answer);
- 100. #include <stdio.h> int main(void) { printf("hello, worldn"); }
- 101. 01111111 01000101 01001100 01000110 00000010 00000001 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000010 00000000 00111110 00000000 00000001 00000000 00000000 00000000 10110000 00000101 01000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 11010000 00010011 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 00111000 00000000 00001001 00000000 01000000 00000000 00100100 00000000 00100001 00000000 00000110 00000000 00000000 00000000 00000101 00000000 00000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000 11111000 00000001 00000000 00000000 00000000 00000000 00000000 00000000 11111000 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00001000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000011 00000000 00000000 00000000 00000100 00000000 00000000 00000000 00111000 00000010 00000000 00000000 00000000 00000000 00000000 00000000 ...
- 103. clang -o hello hello.c ./hello
- 104. make hello ./hello
- 107. %c %f %i %li %s
- 110. integer overflow
- 111. 1 2 3
- 112. 1 2 4
- 113. 1 2 5
- 114. 1 2 6
- 115. 1 2 7
- 116. 1 2 8
- 117. 1 2 9
- 118. 1 2 10
- 119. 1 2 9
- 120. 1 2 0 1
- 121. 1 3 0
- 122. 9 9 9
- 123. 9 9 0 1
- 124. 9 0 0 1
- 125. 0 0 0 1
- 126. 0 0 01
- 127. 0 0 0
- 128. 1 1 1
- 129. 1 1 0 1
- 130. 1 0 0 1
- 131. 0 0 0 1
- 132. 0 0 01
- 133. 0 0 0
- 134. integer overflow
- 137. 1999
- 138. 1999
- 139. 1900
- 142. 0 0 0 0 0 0 0 1
- 143. 0 0 0 0 0 0 0 0
- 144. 1 1 1 1 1 1 1 1
- 146. CS50 Lab lab.cs50.io
- 147. This is CS50