0_0_19254891_9933.cpp: In function 'int main()':
0_0_19254891_9933.cpp:5:22: error: 'scanf' was not declared in this scope
while(~scanf("%d",&t))
^
0_0_19254891_9933.cpp:7:32: error: 'puts' was not declared in this scope
if(t<0)puts("Score is error!");
^
0_0_19254891_9933.cpp:8:26: error: 'puts' was not declared in this scope
else if(t<60)puts("E\n");
^
0_0_19254891_9933.cpp:9:26: error: 'puts' was not declared in this scope
else if(t<70)puts("D\n");
^
0_0_19254891_9933.cpp:10:26: error: 'puts' was not declared in this scope
else if(t<80)puts("C\n");
^
0_0_19254891_9933.cpp:11:26: error: 'puts' was not declared in this scope
else if(t<90)puts("B\n");
^
0_0_19254891_9933.cpp:12:27: error: 'puts' was not declared in this scope
else if(t<100)puts("A\n");
^
0_0_19254891_9933.cpp:14:26: error: 'puts' was not declared in this scope
puts("Score is error!");
^
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