0_0_24959242_27669.cpp: In function 'int main()': 0_0_24959242_27669.cpp:68:37: error: 'zong' was not declared in this scope if(h1-q1+1>=zong&&shu[chu][q1]<=r&&shu[chu][q1]>=l&&shu[chu][h1]<=r&&shu[chu][h1]>=l);else{pan=1;} ^