Compilare: main.cpp: In function 'long long int lgput(long long int)': main.cpp:64:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'void reset_abc()': main.cpp:28:23: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] rasp[i][j]=0; ~~~~~~~~~~^~ main.cpp:27:22: note: within this loop for(int j=1;j<=3;j++) ~^~~ main.cpp: In function 'long long int lgput(long long int)': main.cpp:46:41: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] b[i][j]=aux[i][j]; ~~~~~~~~^ main.cpp:45:30: note: within this loop for(int j=1;j<=3;j++) ~^~~ main.cpp:43:52: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] aux[i][j]=(aux[i][j]+b[i][k]*a[k][j])%MOD; ~~~~~~^ main.cpp:42:34: note: within this loop for(int k=1;k<=3;k++) ~^~~ main.cpp:39:30: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] aux[i][j]=0; ~~~~~~~~~^~ main.cpp:38:30: note: within this loop for(int j=1;j<=3;j++) ~^~~ main.cpp:60:50: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] a[i][j]=(a[i][j]+aux[i][k]*aux[k][j])%MOD; ~~~~~~~~^ main.cpp:59:34: note: within this loop for(int k=1;k<=3;k++) ~^~~ main.cpp:54:37: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] aux[i][j]=a[i][j]; ~~~~~~^ main.cpp:52:30: note: within this loop for(int j=1;j<=3;j++) ~^~~ main.cpp: In function 'int main()': main.cpp:79:50: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] rasp[i][j]=(rasp[i][j]+b[i][k]*c[k][j])%MOD; ~~~~~~^ main.cpp:78:30: note: within this loop for(int k=1;k<=3;k++) ~^~~ main.cpp: In function 'void reset_abc()':