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View Compilation Error

0_0_20557655_4412.cpp: In function 'int main()':
0_0_20557655_4412.cpp:49:49: error: too few arguments to function 'int xxx(int, int)'
     else if(gcd(gcd(x[i], x[j]), xxx(y[j] - y[i])) != 1) flag = 1;
                                                 ^
0_0_20557655_4412.cpp:26:5: note: declared here
 int xxx(int x, int y) {
     ^
0_0_20557655_4412.cpp:55:49: error: too few arguments to function 'int xxx(int, int)'
     else if(gcd(gcd(x[i], x[j]), xxx(z[j] - y[i])) != 1) flag = 1;
                                                 ^
0_0_20557655_4412.cpp:26:5: note: declared here
 int xxx(int x, int y) {
     ^
0_0_20557655_4412.cpp:61:49: error: too few arguments to function 'int xxx(int, int)'
     else if(gcd(gcd(x[i], x[j]), xxx(y[j] - y[i])) != 1) flag = 1;
                                                 ^
0_0_20557655_4412.cpp:26:5: note: declared here
 int xxx(int x, int y) {
     ^
0_0_20557655_4412.cpp:67:49: error: too few arguments to function 'int xxx(int, int)'
     else if(gcd(gcd(x[i], x[j]), xxx(y[j] - z[i])) != 1) flag = 1;
                                                 ^
0_0_20557655_4412.cpp:26:5: note: declared here
 int xxx(int x, int y) {
     ^


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